Home / 13,793.38-20,693.28-3,932.80

Finding the Fourth Proportional to 13,793.38, 20,693.28 and 3,932.80

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Solution

The fourth proportional to 13,793.38, 20,693.28 and 3,932.80 is: 5,900.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.38 : 20,693.28 = 3,932.80 : x
  2. Step 2: Convert to fraction form
    13,793.38/20,693.28 = 3,932.80/x
  3. Step 3: Cross multiply
    13,793.38x = 20,693.28 × 3,932.80
  4. Step 4: Simplify right side
    13,793.38x = 81,382,531.58
  5. Step 5: Solve for x
    x = 81,382,531.58/13,793.38
  6. Step 6: Final answer
    x = 5,900.12

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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.