Home / 21,301.20-31,966.92-9,624.24

Finding the Fourth Proportional to 21,301.20, 31,966.92 and 9,624.24

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Solution

The fourth proportional to 21,301.20, 31,966.92 and 9,624.24 is: 14,443.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,301.20 : 31,966.92 = 9,624.24 : x
  2. Step 2: Convert to fraction form
    21,301.20/31,966.92 = 9,624.24/x
  3. Step 3: Cross multiply
    21,301.20x = 31,966.92 × 9,624.24
  4. Step 4: Simplify right side
    21,301.20x = 307,657,310.14
  5. Step 5: Solve for x
    x = 307,657,310.14/21,301.20
  6. Step 6: Final answer
    x = 14,443.19

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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.