Home / 12,115.27-18,174.95-3,793.64

Finding the Fourth Proportional to 12,115.27, 18,174.95 and 3,793.64

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Solution

The fourth proportional to 12,115.27, 18,174.95 and 3,793.64 is: 5,691.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115.27 : 18,174.95 = 3,793.64 : x
  2. Step 2: Convert to fraction form
    12,115.27/18,174.95 = 3,793.64/x
  3. Step 3: Cross multiply
    12,115.27x = 18,174.95 × 3,793.64
  4. Step 4: Simplify right side
    12,115.27x = 68,949,198.35
  5. Step 5: Solve for x
    x = 68,949,198.35/12,115.27
  6. Step 6: Final answer
    x = 5,691.10

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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.