Home / 18,257.05-27,380.10-9,487.18

Finding the Fourth Proportional to 18,257.05, 27,380.10 and 9,487.18

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Solution

The fourth proportional to 18,257.05, 27,380.10 and 9,487.18 is: 14,227.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.05 : 27,380.10 = 9,487.18 : x
  2. Step 2: Convert to fraction form
    18,257.05/27,380.10 = 9,487.18/x
  3. Step 3: Cross multiply
    18,257.05x = 27,380.10 × 9,487.18
  4. Step 4: Simplify right side
    18,257.05x = 259,759,937.12
  5. Step 5: Solve for x
    x = 259,759,937.12/18,257.05
  6. Step 6: Final answer
    x = 14,227.92

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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.