Home / 18,331.44-27,513.36-12,073.92

Finding the Fourth Proportional to 18,331.44, 27,513.36 and 12,073.92

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Solution

The fourth proportional to 18,331.44, 27,513.36 and 12,073.92 is: 18,121.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.44 : 27,513.36 = 12,073.92 : x
  2. Step 2: Convert to fraction form
    18,331.44/27,513.36 = 12,073.92/x
  3. Step 3: Cross multiply
    18,331.44x = 27,513.36 × 12,073.92
  4. Step 4: Simplify right side
    18,331.44x = 332,194,107.57
  5. Step 5: Solve for x
    x = 332,194,107.57/18,331.44
  6. Step 6: Final answer
    x = 18,121.55

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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.