Home / 15,966.42-22,034.61-9,249.90

Finding the Fourth Proportional to 15,966.42, 22,034.61 and 9,249.90

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Solution

The fourth proportional to 15,966.42, 22,034.61 and 9,249.90 is: 12,765.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966.42 : 22,034.61 = 9,249.90 : x
  2. Step 2: Convert to fraction form
    15,966.42/22,034.61 = 9,249.90/x
  3. Step 3: Cross multiply
    15,966.42x = 22,034.61 × 9,249.90
  4. Step 4: Simplify right side
    15,966.42x = 203,817,939.04
  5. Step 5: Solve for x
    x = 203,817,939.04/15,966.42
  6. Step 6: Final answer
    x = 12,765.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.