Home / 15,517.80-23,276.70-5,129.55

Finding the Fourth Proportional to 15,517.80, 23,276.70 and 5,129.55

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Solution

The fourth proportional to 15,517.80, 23,276.70 and 5,129.55 is: 7,694.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.80 : 23,276.70 = 5,129.55 : x
  2. Step 2: Convert to fraction form
    15,517.80/23,276.70 = 5,129.55/x
  3. Step 3: Cross multiply
    15,517.80x = 23,276.70 × 5,129.55
  4. Step 4: Simplify right side
    15,517.80x = 119,398,996.49
  5. Step 5: Solve for x
    x = 119,398,996.49/15,517.80
  6. Step 6: Final answer
    x = 7,694.33

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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.