Home / 8,147.66-11,244.14-6,376.18

Finding the Fourth Proportional to 8,147.66, 11,244.14 and 6,376.18

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Solution

The fourth proportional to 8,147.66, 11,244.14 and 6,376.18 is: 8,799.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.66 : 11,244.14 = 6,376.18 : x
  2. Step 2: Convert to fraction form
    8,147.66/11,244.14 = 6,376.18/x
  3. Step 3: Cross multiply
    8,147.66x = 11,244.14 × 6,376.18
  4. Step 4: Simplify right side
    8,147.66x = 71,694,660.59
  5. Step 5: Solve for x
    x = 71,694,660.59/8,147.66
  6. Step 6: Final answer
    x = 8,799.42

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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.