Home / 14,818.23-20,449.19-8,103.89

Finding the Fourth Proportional to 14,818.23, 20,449.19 and 8,103.89

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Solution

The fourth proportional to 14,818.23, 20,449.19 and 8,103.89 is: 11,183.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,818.23 : 20,449.19 = 8,103.89 : x
  2. Step 2: Convert to fraction form
    14,818.23/20,449.19 = 8,103.89/x
  3. Step 3: Cross multiply
    14,818.23x = 20,449.19 × 8,103.89
  4. Step 4: Simplify right side
    14,818.23x = 165,718,057.73
  5. Step 5: Solve for x
    x = 165,718,057.73/14,818.23
  6. Step 6: Final answer
    x = 11,183.39

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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.