Home / 15,761.28-23,620.56-8,740.92

Finding the Fourth Proportional to 15,761.28, 23,620.56 and 8,740.92

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Solution

The fourth proportional to 15,761.28, 23,620.56 and 8,740.92 is: 13,099.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,761.28 : 23,620.56 = 8,740.92 : x
  2. Step 2: Convert to fraction form
    15,761.28/23,620.56 = 8,740.92/x
  3. Step 3: Cross multiply
    15,761.28x = 23,620.56 × 8,740.92
  4. Step 4: Simplify right side
    15,761.28x = 206,465,425.32
  5. Step 5: Solve for x
    x = 206,465,425.32/15,761.28
  6. Step 6: Final answer
    x = 13,099.53

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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.