# Proportions to Find Base b

## Cross - multiply to find a missing part of a proportion, base, b.

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## Proportions to Find Base b

Use the cross products of proportions to find base b in percent problems.
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## Precent Problems (Using Proportions & Equations)

Use the cross products of proportions to find base b in percent problems.
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## Proportions to Find Base b

Explains how to use proportions and cross products to solve for the base as well as the percent and the amount.
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## Find the Whole Given the Percents and Parts - Overview

by CK-12 //basic
Overview
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## Example 2: Solve a Percent Problem with a Percent Proportion

by CK-12 //basic
Goes through the steps of solving 36 is 15% of what number using a percent proportion.
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## Find the Whole Given the Percents and Parts - Example 1

by CK-12 //basic
Whole number percentage calculations - without units
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## Find the Whole Given the Percents and Parts - Example 2

by CK-12 //basic
Whole number percentage calculations - with units
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## Find the Whole Given the Percents and Parts - Example 3

by CK-12 //basic
Whole number percentage calculations - with compound units
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## Find the Whole Given the Percents and Parts - Example 4

by CK-12 //basic
Decimal percentage calculations - without units
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## Find the Whole Given the Percents and Parts - Example 5

by CK-12 //basic
Decimal percentage calculations - with units
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## Find the Whole Given the Percents and Parts - Example 6

by CK-12 //basic
Percentage calculation - one-step word problems
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## Find the Whole Given the Percents and Parts - Example 7

by CK-12 //basic
Percentage calculation - two-step word problems
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## Find the Whole Given the Percents and Parts - Example 8

by CK-12 //basic
Percentage calculation - multi-step word problems
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## Mixtures

by Kyle Bardman //basic
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• Flashcards

## Proportions to Find Base b

by Kyle Bardman //basic