Home / 14,712.45-20,306.13-8,742.96

Finding the Fourth Proportional to 14,712.45, 20,306.13 and 8,742.96

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Solution

The fourth proportional to 14,712.45, 20,306.13 and 8,742.96 is: 12,067.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.45 : 20,306.13 = 8,742.96 : x
  2. Step 2: Convert to fraction form
    14,712.45/20,306.13 = 8,742.96/x
  3. Step 3: Cross multiply
    14,712.45x = 20,306.13 × 8,742.96
  4. Step 4: Simplify right side
    14,712.45x = 177,535,649.56
  5. Step 5: Solve for x
    x = 177,535,649.56/14,712.45
  6. Step 6: Final answer
    x = 12,067.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.