Home / 11,387.31-17,082.92-3,489.63

Finding the Fourth Proportional to 11,387.31, 17,082.92 and 3,489.63

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Solution

The fourth proportional to 11,387.31, 17,082.92 and 3,489.63 is: 5,235.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.31 : 17,082.92 = 3,489.63 : x
  2. Step 2: Convert to fraction form
    11,387.31/17,082.92 = 3,489.63/x
  3. Step 3: Cross multiply
    11,387.31x = 17,082.92 × 3,489.63
  4. Step 4: Simplify right side
    11,387.31x = 59,613,070.12
  5. Step 5: Solve for x
    x = 59,613,070.12/11,387.31
  6. Step 6: Final answer
    x = 5,235.04

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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.