Finding the Fourth Proportional to 10,687.71, 16,031.58 and 2,896.53
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Solution
The fourth proportional to 10,687.71, 16,031.58 and 2,896.53 is: 4,344.80
Step by Step Solution
- Step 1: Write the proportion equation
10,687.71 : 16,031.58 = 2,896.53 : x - Step 2: Convert to fraction form
10,687.71/16,031.58 = 2,896.53/x - Step 3: Cross multiply
10,687.71x = 16,031.58 × 2,896.53 - Step 4: Simplify right side
10,687.71x = 46,435,952.42 - Step 5: Solve for x
x = 46,435,952.42/10,687.71 - Step 6: Final answer
x = 4,344.80
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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.