Home / 18,286.38-27,398.05-12,350.16

Finding the Fourth Proportional to 18,286.38, 27,398.05 and 12,350.16

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Solution

The fourth proportional to 18,286.38, 27,398.05 and 12,350.16 is: 18,503.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.38 : 27,398.05 = 12,350.16 : x
  2. Step 2: Convert to fraction form
    18,286.38/27,398.05 = 12,350.16/x
  3. Step 3: Cross multiply
    18,286.38x = 27,398.05 × 12,350.16
  4. Step 4: Simplify right side
    18,286.38x = 338,370,270.31
  5. Step 5: Solve for x
    x = 338,370,270.31/18,286.38
  6. Step 6: Final answer
    x = 18,503.95

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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.