Home / 15,610.40-23,395.17-13,631.04

Finding the Fourth Proportional to 15,610.40, 23,395.17 and 13,631.04

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Solution

The fourth proportional to 15,610.40, 23,395.17 and 13,631.04 is: 20,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,610.40 : 23,395.17 = 13,631.04 : x
  2. Step 2: Convert to fraction form
    15,610.40/23,395.17 = 13,631.04/x
  3. Step 3: Cross multiply
    15,610.40x = 23,395.17 × 13,631.04
  4. Step 4: Simplify right side
    15,610.40x = 318,900,498.08
  5. Step 5: Solve for x
    x = 318,900,498.08/15,610.40
  6. Step 6: Final answer
    x = 20,428.72

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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.