Home / 13,694.87-20,542.33-3,306.62

Finding the Fourth Proportional to 13,694.87, 20,542.33 and 3,306.62

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Solution

The fourth proportional to 13,694.87, 20,542.33 and 3,306.62 is: 4,959.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.87 : 20,542.33 = 3,306.62 : x
  2. Step 2: Convert to fraction form
    13,694.87/20,542.33 = 3,306.62/x
  3. Step 3: Cross multiply
    13,694.87x = 20,542.33 × 3,306.62
  4. Step 4: Simplify right side
    13,694.87x = 67,925,734.71
  5. Step 5: Solve for x
    x = 67,925,734.71/13,694.87
  6. Step 6: Final answer
    x = 4,959.94

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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.