Home / 11,375.45-17,079.11-5,832.78

Finding the Fourth Proportional to 11,375.45, 17,079.11 and 5,832.78

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Solution

The fourth proportional to 11,375.45, 17,079.11 and 5,832.78 is: 8,757.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.45 : 17,079.11 = 5,832.78 : x
  2. Step 2: Convert to fraction form
    11,375.45/17,079.11 = 5,832.78/x
  3. Step 3: Cross multiply
    11,375.45x = 17,079.11 × 5,832.78
  4. Step 4: Simplify right side
    11,375.45x = 99,618,691.23
  5. Step 5: Solve for x
    x = 99,618,691.23/11,375.45
  6. Step 6: Final answer
    x = 8,757.34

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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.