Home / 13,732.42-20,549.39-11,889.88

Finding the Fourth Proportional to 13,732.42, 20,549.39 and 11,889.88

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Solution

The fourth proportional to 13,732.42, 20,549.39 and 11,889.88 is: 17,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.42 : 20,549.39 = 11,889.88 : x
  2. Step 2: Convert to fraction form
    13,732.42/20,549.39 = 11,889.88/x
  3. Step 3: Cross multiply
    13,732.42x = 20,549.39 × 11,889.88
  4. Step 4: Simplify right side
    13,732.42x = 244,329,781.17
  5. Step 5: Solve for x
    x = 244,329,781.17/13,732.42
  6. Step 6: Final answer
    x = 17,792.19

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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.