Home / 20,190.67-30,287.24-6,151.73

Finding the Fourth Proportional to 20,190.67, 30,287.24 and 6,151.73

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Solution

The fourth proportional to 20,190.67, 30,287.24 and 6,151.73 is: 9,227.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190.67 : 30,287.24 = 6,151.73 : x
  2. Step 2: Convert to fraction form
    20,190.67/30,287.24 = 6,151.73/x
  3. Step 3: Cross multiply
    20,190.67x = 30,287.24 × 6,151.73
  4. Step 4: Simplify right side
    20,190.67x = 186,318,922.93
  5. Step 5: Solve for x
    x = 186,318,922.93/20,190.67
  6. Step 6: Final answer
    x = 9,227.97

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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.