Home / 15,447.55-23,173.12-5,591.47

Finding the Fourth Proportional to 15,447.55, 23,173.12 and 5,591.47

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Solution

The fourth proportional to 15,447.55, 23,173.12 and 5,591.47 is: 8,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.55 : 23,173.12 = 5,591.47 : x
  2. Step 2: Convert to fraction form
    15,447.55/23,173.12 = 5,591.47/x
  3. Step 3: Cross multiply
    15,447.55x = 23,173.12 × 5,591.47
  4. Step 4: Simplify right side
    15,447.55x = 129,571,761.33
  5. Step 5: Solve for x
    x = 129,571,761.33/15,447.55
  6. Step 6: Final answer
    x = 8,387.85

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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.