Home / 18,138.48-27,215.52-9,824.44

Finding the Fourth Proportional to 18,138.48, 27,215.52 and 9,824.44

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Solution

The fourth proportional to 18,138.48, 27,215.52 and 9,824.44 is: 14,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,138.48 : 27,215.52 = 9,824.44 : x
  2. Step 2: Convert to fraction form
    18,138.48/27,215.52 = 9,824.44/x
  3. Step 3: Cross multiply
    18,138.48x = 27,215.52 × 9,824.44
  4. Step 4: Simplify right side
    18,138.48x = 267,377,243.31
  5. Step 5: Solve for x
    x = 267,377,243.31/18,138.48
  6. Step 6: Final answer
    x = 14,740.88

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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.