Home / 18,359.52-25,336.12-9,976

Finding the Fourth Proportional to 18,359.52, 25,336.12 and 9,976

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Solution

The fourth proportional to 18,359.52, 25,336.12 and 9,976 is: 13,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.52 : 25,336.12 = 9,976 : x
  2. Step 2: Convert to fraction form
    18,359.52/25,336.12 = 9,976/x
  3. Step 3: Cross multiply
    18,359.52x = 25,336.12 × 9,976
  4. Step 4: Simplify right side
    18,359.52x = 252,753,133.12
  5. Step 5: Solve for x
    x = 252,753,133.12/18,359.52
  6. Step 6: Final answer
    x = 13,766.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.