Home / 12,442.20-18,663.30-3,677.24

Finding the Fourth Proportional to 12,442.20, 18,663.30 and 3,677.24

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Solution

The fourth proportional to 12,442.20, 18,663.30 and 3,677.24 is: 5,515.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442.20 : 18,663.30 = 3,677.24 : x
  2. Step 2: Convert to fraction form
    12,442.20/18,663.30 = 3,677.24/x
  3. Step 3: Cross multiply
    12,442.20x = 18,663.30 × 3,677.24
  4. Step 4: Simplify right side
    12,442.20x = 68,629,433.29
  5. Step 5: Solve for x
    x = 68,629,433.29/12,442.20
  6. Step 6: Final answer
    x = 5,515.86

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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.