Home / 13,694.76-20,542.19-3,306.51

Finding the Fourth Proportional to 13,694.76, 20,542.19 and 3,306.51

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Solution

The fourth proportional to 13,694.76, 20,542.19 and 3,306.51 is: 4,959.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.76 : 20,542.19 = 3,306.51 : x
  2. Step 2: Convert to fraction form
    13,694.76/20,542.19 = 3,306.51/x
  3. Step 3: Cross multiply
    13,694.76x = 20,542.19 × 3,306.51
  4. Step 4: Simplify right side
    13,694.76x = 67,922,956.66
  5. Step 5: Solve for x
    x = 67,922,956.66/13,694.76
  6. Step 6: Final answer
    x = 4,959.78

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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.