Home / 18,257.60-27,350.87-11,998.73

Finding the Fourth Proportional to 18,257.60, 27,350.87 and 11,998.73

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Solution

The fourth proportional to 18,257.60, 27,350.87 and 11,998.73 is: 17,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.60 : 27,350.87 = 11,998.73 : x
  2. Step 2: Convert to fraction form
    18,257.60/27,350.87 = 11,998.73/x
  3. Step 3: Cross multiply
    18,257.60x = 27,350.87 × 11,998.73
  4. Step 4: Simplify right side
    18,257.60x = 328,175,712.78
  5. Step 5: Solve for x
    x = 328,175,712.78/18,257.60
  6. Step 6: Final answer
    x = 17,974.74

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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.