Home / 21,633.13-32,449.70-9,149.92

Finding the Fourth Proportional to 21,633.13, 32,449.70 and 9,149.92

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Solution

The fourth proportional to 21,633.13, 32,449.70 and 9,149.92 is: 13,724.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,633.13 : 32,449.70 = 9,149.92 : x
  2. Step 2: Convert to fraction form
    21,633.13/32,449.70 = 9,149.92/x
  3. Step 3: Cross multiply
    21,633.13x = 32,449.70 × 9,149.92
  4. Step 4: Simplify right side
    21,633.13x = 296,912,049.31
  5. Step 5: Solve for x
    x = 296,912,049.31/21,633.13
  6. Step 6: Final answer
    x = 13,724.88

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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.