Home / 23,137.80-31,930.11-12,527.43

Finding the Fourth Proportional to 23,137.80, 31,930.11 and 12,527.43

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Solution

The fourth proportional to 23,137.80, 31,930.11 and 12,527.43 is: 17,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,137.80 : 31,930.11 = 12,527.43 : x
  2. Step 2: Convert to fraction form
    23,137.80/31,930.11 = 12,527.43/x
  3. Step 3: Cross multiply
    23,137.80x = 31,930.11 × 12,527.43
  4. Step 4: Simplify right side
    23,137.80x = 400,002,217.92
  5. Step 5: Solve for x
    x = 400,002,217.92/23,137.80
  6. Step 6: Final answer
    x = 17,287.82

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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.