Home / 12,505.29-17,257.38-6,839.97

Finding the Fourth Proportional to 12,505.29, 17,257.38 and 6,839.97

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Solution

The fourth proportional to 12,505.29, 17,257.38 and 6,839.97 is: 9,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.29 : 17,257.38 = 6,839.97 : x
  2. Step 2: Convert to fraction form
    12,505.29/17,257.38 = 6,839.97/x
  3. Step 3: Cross multiply
    12,505.29x = 17,257.38 × 6,839.97
  4. Step 4: Simplify right side
    12,505.29x = 118,039,961.48
  5. Step 5: Solve for x
    x = 118,039,961.48/12,505.29
  6. Step 6: Final answer
    x = 9,439.20

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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.