Finding the Fourth Proportional to 16,646.57, 22,933.17 and 11,601.62
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Solution
The fourth proportional to 16,646.57, 22,933.17 and 11,601.62 is: 15,982.99
Step by Step Solution
- Step 1: Write the proportion equation
16,646.57 : 22,933.17 = 11,601.62 : x - Step 2: Convert to fraction form
16,646.57/22,933.17 = 11,601.62/x - Step 3: Cross multiply
16,646.57x = 22,933.17 × 11,601.62 - Step 4: Simplify right side
16,646.57x = 266,061,809.07 - Step 5: Solve for x
x = 266,061,809.07/16,646.57 - Step 6: Final answer
x = 15,982.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.