Home / 15,067.38-20,793.60-8,695.92

Finding the Fourth Proportional to 15,067.38, 20,793.60 and 8,695.92

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Solution

The fourth proportional to 15,067.38, 20,793.60 and 8,695.92 is: 12,000.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067.38 : 20,793.60 = 8,695.92 : x
  2. Step 2: Convert to fraction form
    15,067.38/20,793.60 = 8,695.92/x
  3. Step 3: Cross multiply
    15,067.38x = 20,793.60 × 8,695.92
  4. Step 4: Simplify right side
    15,067.38x = 180,819,482.11
  5. Step 5: Solve for x
    x = 180,819,482.11/15,067.38
  6. Step 6: Final answer
    x = 12,000.72

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Double scale
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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.