Finding the Fourth Proportional to 10,909.08, 16,363.62 and 5,062.50
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Solution
The fourth proportional to 10,909.08, 16,363.62 and 5,062.50 is: 7,593.75
Step by Step Solution
- Step 1: Write the proportion equation
10,909.08 : 16,363.62 = 5,062.50 : x - Step 2: Convert to fraction form
10,909.08/16,363.62 = 5,062.50/x - Step 3: Cross multiply
10,909.08x = 16,363.62 × 5,062.50 - Step 4: Simplify right side
10,909.08x = 82,840,826.25 - Step 5: Solve for x
x = 82,840,826.25/10,909.08 - Step 6: Final answer
x = 7,593.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.