Home / 13,493.52-20,217.60-9,578.52

Finding the Fourth Proportional to 13,493.52, 20,217.60 and 9,578.52

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Solution

The fourth proportional to 13,493.52, 20,217.60 and 9,578.52 is: 14,351.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.52 : 20,217.60 = 9,578.52 : x
  2. Step 2: Convert to fraction form
    13,493.52/20,217.60 = 9,578.52/x
  3. Step 3: Cross multiply
    13,493.52x = 20,217.60 × 9,578.52
  4. Step 4: Simplify right side
    13,493.52x = 193,654,685.95
  5. Step 5: Solve for x
    x = 193,654,685.95/13,493.52
  6. Step 6: Final answer
    x = 14,351.68

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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.