Home / 13,694.88-20,542.38-3,306.63

Finding the Fourth Proportional to 13,694.88, 20,542.38 and 3,306.63

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Solution

The fourth proportional to 13,694.88, 20,542.38 and 3,306.63 is: 4,959.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.88 : 20,542.38 = 3,306.63 : x
  2. Step 2: Convert to fraction form
    13,694.88/20,542.38 = 3,306.63/x
  3. Step 3: Cross multiply
    13,694.88x = 20,542.38 × 3,306.63
  4. Step 4: Simplify right side
    13,694.88x = 67,926,049.98
  5. Step 5: Solve for x
    x = 67,926,049.98/13,694.88
  6. Step 6: Final answer
    x = 4,959.96

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1.5x scale

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.