Home / 11,591.24-17,387.59-4,478.87

Finding the Fourth Proportional to 11,591.24, 17,387.59 and 4,478.87

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Solution

The fourth proportional to 11,591.24, 17,387.59 and 4,478.87 is: 6,718.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.24 : 17,387.59 = 4,478.87 : x
  2. Step 2: Convert to fraction form
    11,591.24/17,387.59 = 4,478.87/x
  3. Step 3: Cross multiply
    11,591.24x = 17,387.59 × 4,478.87
  4. Step 4: Simplify right side
    11,591.24x = 77,876,755.22
  5. Step 5: Solve for x
    x = 77,876,755.22/11,591.24
  6. Step 6: Final answer
    x = 6,718.59

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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.