Home / 10,227.06-15,318.11-8,451.95

Finding the Fourth Proportional to 10,227.06, 15,318.11 and 8,451.95

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Solution

The fourth proportional to 10,227.06, 15,318.11 and 8,451.95 is: 12,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,227.06 : 15,318.11 = 8,451.95 : x
  2. Step 2: Convert to fraction form
    10,227.06/15,318.11 = 8,451.95/x
  3. Step 3: Cross multiply
    10,227.06x = 15,318.11 × 8,451.95
  4. Step 4: Simplify right side
    10,227.06x = 129,467,780.96
  5. Step 5: Solve for x
    x = 129,467,780.96/10,227.06
  6. Step 6: Final answer
    x = 12,659.34

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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.