Home / 8,512.18-11,719.97-7,723.96

Finding the Fourth Proportional to 8,512.18, 11,719.97 and 7,723.96

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Solution

The fourth proportional to 8,512.18, 11,719.97 and 7,723.96 is: 10,634.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.18 : 11,719.97 = 7,723.96 : x
  2. Step 2: Convert to fraction form
    8,512.18/11,719.97 = 7,723.96/x
  3. Step 3: Cross multiply
    8,512.18x = 11,719.97 × 7,723.96
  4. Step 4: Simplify right side
    8,512.18x = 90,524,540.86
  5. Step 5: Solve for x
    x = 90,524,540.86/8,512.18
  6. Step 6: Final answer
    x = 10,634.71

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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.