Home / 11,947.11-17,892.86-11,531.85

Finding the Fourth Proportional to 11,947.11, 17,892.86 and 11,531.85

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Solution

The fourth proportional to 11,947.11, 17,892.86 and 11,531.85 is: 17,270.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.11 : 17,892.86 = 11,531.85 : x
  2. Step 2: Convert to fraction form
    11,947.11/17,892.86 = 11,531.85/x
  3. Step 3: Cross multiply
    11,947.11x = 17,892.86 × 11,531.85
  4. Step 4: Simplify right side
    11,947.11x = 206,337,719.93
  5. Step 5: Solve for x
    x = 206,337,719.93/11,947.11
  6. Step 6: Final answer
    x = 17,270.93

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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.