Home / 14,712.68-20,306.45-8,743.20

Finding the Fourth Proportional to 14,712.68, 20,306.45 and 8,743.20

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Solution

The fourth proportional to 14,712.68, 20,306.45 and 8,743.20 is: 12,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.68 : 20,306.45 = 8,743.20 : x
  2. Step 2: Convert to fraction form
    14,712.68/20,306.45 = 8,743.20/x
  3. Step 3: Cross multiply
    14,712.68x = 20,306.45 × 8,743.20
  4. Step 4: Simplify right side
    14,712.68x = 177,543,208.39
  5. Step 5: Solve for x
    x = 177,543,208.39/14,712.68
  6. Step 6: Final answer
    x = 12,067.36

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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.