Home / 20,058.62-30,087.83-8,217.88

Finding the Fourth Proportional to 20,058.62, 30,087.83 and 8,217.88

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Solution

The fourth proportional to 20,058.62, 30,087.83 and 8,217.88 is: 12,326.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.62 : 30,087.83 = 8,217.88 : x
  2. Step 2: Convert to fraction form
    20,058.62/30,087.83 = 8,217.88/x
  3. Step 3: Cross multiply
    20,058.62x = 30,087.83 × 8,217.88
  4. Step 4: Simplify right side
    20,058.62x = 247,258,121.73
  5. Step 5: Solve for x
    x = 247,258,121.73/20,058.62
  6. Step 6: Final answer
    x = 12,326.78

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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.