Home / 20,310.03-30,469.95-7,163.73

Finding the Fourth Proportional to 20,310.03, 30,469.95 and 7,163.73

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Solution

The fourth proportional to 20,310.03, 30,469.95 and 7,163.73 is: 10,747.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,310.03 : 30,469.95 = 7,163.73 : x
  2. Step 2: Convert to fraction form
    20,310.03/30,469.95 = 7,163.73/x
  3. Step 3: Cross multiply
    20,310.03x = 30,469.95 × 7,163.73
  4. Step 4: Simplify right side
    20,310.03x = 218,278,494.91
  5. Step 5: Solve for x
    x = 218,278,494.91/20,310.03
  6. Step 6: Final answer
    x = 10,747.33

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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.