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Finding the Fourth Proportional to 18,777.48, 28,169 and 6,294.52

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Solution

The fourth proportional to 18,777.48, 28,169 and 6,294.52 is: 9,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777.48 : 28,169 = 6,294.52 : x
  2. Step 2: Convert to fraction form
    18,777.48/28,169 = 6,294.52/x
  3. Step 3: Cross multiply
    18,777.48x = 28,169 × 6,294.52
  4. Step 4: Simplify right side
    18,777.48x = 177,310,333.88
  5. Step 5: Solve for x
    x = 177,310,333.88/18,777.48
  6. Step 6: Final answer
    x = 9,442.71

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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.