Home / 18,757.05-28,132.62-6,276.97

Finding the Fourth Proportional to 18,757.05, 28,132.62 and 6,276.97

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Solution

The fourth proportional to 18,757.05, 28,132.62 and 6,276.97 is: 9,414.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757.05 : 28,132.62 = 6,276.97 : x
  2. Step 2: Convert to fraction form
    18,757.05/28,132.62 = 6,276.97/x
  3. Step 3: Cross multiply
    18,757.05x = 28,132.62 × 6,276.97
  4. Step 4: Simplify right side
    18,757.05x = 176,587,611.76
  5. Step 5: Solve for x
    x = 176,587,611.76/18,757.05
  6. Step 6: Final answer
    x = 9,414.47

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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.