Home / 12,505.32-17,257.46-6,839.96

Finding the Fourth Proportional to 12,505.32, 17,257.46 and 6,839.96

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Solution

The fourth proportional to 12,505.32, 17,257.46 and 6,839.96 is: 9,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.32 : 17,257.46 = 6,839.96 : x
  2. Step 2: Convert to fraction form
    12,505.32/17,257.46 = 6,839.96/x
  3. Step 3: Cross multiply
    12,505.32x = 17,257.46 × 6,839.96
  4. Step 4: Simplify right side
    12,505.32x = 118,040,215.61
  5. Step 5: Solve for x
    x = 118,040,215.61/12,505.32
  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.