Home / 22,562.14-31,134.27-12,489.88

Finding the Fourth Proportional to 22,562.14, 31,134.27 and 12,489.88

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Solution

The fourth proportional to 22,562.14, 31,134.27 and 12,489.88 is: 17,235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,562.14 : 31,134.27 = 12,489.88 : x
  2. Step 2: Convert to fraction form
    22,562.14/31,134.27 = 12,489.88/x
  3. Step 3: Cross multiply
    22,562.14x = 31,134.27 × 12,489.88
  4. Step 4: Simplify right side
    22,562.14x = 388,863,296.19
  5. Step 5: Solve for x
    x = 388,863,296.19/22,562.14
  6. Step 6: Final answer
    x = 17,235.21

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1.5x scale

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.