Home / 12,944.38-17,839.56-9,401.44

Finding the Fourth Proportional to 12,944.38, 17,839.56 and 9,401.44

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Solution

The fourth proportional to 12,944.38, 17,839.56 and 9,401.44 is: 12,956.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.38 : 17,839.56 = 9,401.44 : x
  2. Step 2: Convert to fraction form
    12,944.38/17,839.56 = 9,401.44/x
  3. Step 3: Cross multiply
    12,944.38x = 17,839.56 × 9,401.44
  4. Step 4: Simplify right side
    12,944.38x = 167,717,552.97
  5. Step 5: Solve for x
    x = 167,717,552.97/12,944.38
  6. Step 6: Final answer
    x = 12,956.79

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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.