Home / 13,614.45-20,422.83-3,753.73

Finding the Fourth Proportional to 13,614.45, 20,422.83 and 3,753.73

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Solution

The fourth proportional to 13,614.45, 20,422.83 and 3,753.73 is: 5,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.45 : 20,422.83 = 3,753.73 : x
  2. Step 2: Convert to fraction form
    13,614.45/20,422.83 = 3,753.73/x
  3. Step 3: Cross multiply
    13,614.45x = 20,422.83 × 3,753.73
  4. Step 4: Simplify right side
    13,614.45x = 76,661,789.66
  5. Step 5: Solve for x
    x = 76,661,789.66/13,614.45
  6. Step 6: Final answer
    x = 5,630.91

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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.