Home / 12,517.35-18,772.38-4,724.34

Finding the Fourth Proportional to 12,517.35, 18,772.38 and 4,724.34

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Solution

The fourth proportional to 12,517.35, 18,772.38 and 4,724.34 is: 7,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.35 : 18,772.38 = 4,724.34 : x
  2. Step 2: Convert to fraction form
    12,517.35/18,772.38 = 4,724.34/x
  3. Step 3: Cross multiply
    12,517.35x = 18,772.38 × 4,724.34
  4. Step 4: Simplify right side
    12,517.35x = 88,687,105.73
  5. Step 5: Solve for x
    x = 88,687,105.73/12,517.35
  6. Step 6: Final answer
    x = 7,085.13

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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.