Home / 15,149.38-22,697.19-12,935.74

Finding the Fourth Proportional to 15,149.38, 22,697.19 and 12,935.74

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Solution

The fourth proportional to 15,149.38, 22,697.19 and 12,935.74 is: 19,380.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149.38 : 22,697.19 = 12,935.74 : x
  2. Step 2: Convert to fraction form
    15,149.38/22,697.19 = 12,935.74/x
  3. Step 3: Cross multiply
    15,149.38x = 22,697.19 × 12,935.74
  4. Step 4: Simplify right side
    15,149.38x = 293,604,948.57
  5. Step 5: Solve for x
    x = 293,604,948.57/15,149.38
  6. Step 6: Final answer
    x = 19,380.66

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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.