Home / 18,227.34-25,154.91-13,743.18

Finding the Fourth Proportional to 18,227.34, 25,154.91 and 13,743.18

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Solution

The fourth proportional to 18,227.34, 25,154.91 and 13,743.18 is: 18,966.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.34 : 25,154.91 = 13,743.18 : x
  2. Step 2: Convert to fraction form
    18,227.34/25,154.91 = 13,743.18/x
  3. Step 3: Cross multiply
    18,227.34x = 25,154.91 × 13,743.18
  4. Step 4: Simplify right side
    18,227.34x = 345,708,456.01
  5. Step 5: Solve for x
    x = 345,708,456.01/18,227.34
  6. Step 6: Final answer
    x = 18,966.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.