Home / 14,718.24-20,310.48-8,753.76

Finding the Fourth Proportional to 14,718.24, 20,310.48 and 8,753.76

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Solution

The fourth proportional to 14,718.24, 20,310.48 and 8,753.76 is: 12,079.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,718.24 : 20,310.48 = 8,753.76 : x
  2. Step 2: Convert to fraction form
    14,718.24/20,310.48 = 8,753.76/x
  3. Step 3: Cross multiply
    14,718.24x = 20,310.48 × 8,753.76
  4. Step 4: Simplify right side
    14,718.24x = 177,793,067.40
  5. Step 5: Solve for x
    x = 177,793,067.40/14,718.24
  6. Step 6: Final answer
    x = 12,079.78

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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.