Home / 15,517.39-23,257.85-7,179.79

Finding the Fourth Proportional to 15,517.39, 23,257.85 and 7,179.79

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Solution

The fourth proportional to 15,517.39, 23,257.85 and 7,179.79 is: 10,761.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.39 : 23,257.85 = 7,179.79 : x
  2. Step 2: Convert to fraction form
    15,517.39/23,257.85 = 7,179.79/x
  3. Step 3: Cross multiply
    15,517.39x = 23,257.85 × 7,179.79
  4. Step 4: Simplify right side
    15,517.39x = 166,986,478.85
  5. Step 5: Solve for x
    x = 166,986,478.85/15,517.39
  6. Step 6: Final answer
    x = 10,761.25

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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.