Home / 18,701.82-28,049.76-6,230.52

Finding the Fourth Proportional to 18,701.82, 28,049.76 and 6,230.52

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Solution

The fourth proportional to 18,701.82, 28,049.76 and 6,230.52 is: 9,344.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.82 : 28,049.76 = 6,230.52 : x
  2. Step 2: Convert to fraction form
    18,701.82/28,049.76 = 6,230.52/x
  3. Step 3: Cross multiply
    18,701.82x = 28,049.76 × 6,230.52
  4. Step 4: Simplify right side
    18,701.82x = 174,764,590.68
  5. Step 5: Solve for x
    x = 174,764,590.68/18,701.82
  6. Step 6: Final answer
    x = 9,344.79

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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.