Home / 16,420.27-24,618.10-8,519.73

Finding the Fourth Proportional to 16,420.27, 24,618.10 and 8,519.73

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Solution

The fourth proportional to 16,420.27, 24,618.10 and 8,519.73 is: 12,773.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,420.27 : 24,618.10 = 8,519.73 : x
  2. Step 2: Convert to fraction form
    16,420.27/24,618.10 = 8,519.73/x
  3. Step 3: Cross multiply
    16,420.27x = 24,618.10 × 8,519.73
  4. Step 4: Simplify right side
    16,420.27x = 209,739,629.91
  5. Step 5: Solve for x
    x = 209,739,629.91/16,420.27
  6. Step 6: Final answer
    x = 12,773.21

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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.