Finding the Fourth Proportional to 12,487.29, 18,701.46 and 6,549.99
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Solution
The fourth proportional to 12,487.29, 18,701.46 and 6,549.99 is: 9,809.52
Step by Step Solution
- Step 1: Write the proportion equation
12,487.29 : 18,701.46 = 6,549.99 : x - Step 2: Convert to fraction form
12,487.29/18,701.46 = 6,549.99/x - Step 3: Cross multiply
12,487.29x = 18,701.46 × 6,549.99 - Step 4: Simplify right side
12,487.29x = 122,494,375.99 - Step 5: Solve for x
x = 122,494,375.99/12,487.29 - Step 6: Final answer
x = 9,809.52
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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.