Home / 10,083.26-15,125.16-2,687.70

Finding the Fourth Proportional to 10,083.26, 15,125.16 and 2,687.70

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Solution

The fourth proportional to 10,083.26, 15,125.16 and 2,687.70 is: 4,031.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.26 : 15,125.16 = 2,687.70 : x
  2. Step 2: Convert to fraction form
    10,083.26/15,125.16 = 2,687.70/x
  3. Step 3: Cross multiply
    10,083.26x = 15,125.16 × 2,687.70
  4. Step 4: Simplify right side
    10,083.26x = 40,651,892.53
  5. Step 5: Solve for x
    x = 40,651,892.53/10,083.26
  6. Step 6: Final answer
    x = 4,031.62

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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.