Home / 10,195.98-15,295.49-3,621.61

Finding the Fourth Proportional to 10,195.98, 15,295.49 and 3,621.61

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Solution

The fourth proportional to 10,195.98, 15,295.49 and 3,621.61 is: 5,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.98 : 15,295.49 = 3,621.61 : x
  2. Step 2: Convert to fraction form
    10,195.98/15,295.49 = 3,621.61/x
  3. Step 3: Cross multiply
    10,195.98x = 15,295.49 × 3,621.61
  4. Step 4: Simplify right side
    10,195.98x = 55,394,299.54
  5. Step 5: Solve for x
    x = 55,394,299.54/10,195.98
  6. Step 6: Final answer
    x = 5,432.95

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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.