Home / 12,207.11-18,309.04-3,442.73

Finding the Fourth Proportional to 12,207.11, 18,309.04 and 3,442.73

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Solution

The fourth proportional to 12,207.11, 18,309.04 and 3,442.73 is: 5,163.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.11 : 18,309.04 = 3,442.73 : x
  2. Step 2: Convert to fraction form
    12,207.11/18,309.04 = 3,442.73/x
  3. Step 3: Cross multiply
    12,207.11x = 18,309.04 × 3,442.73
  4. Step 4: Simplify right side
    12,207.11x = 63,032,972.52
  5. Step 5: Solve for x
    x = 63,032,972.52/12,207.11
  6. Step 6: Final answer
    x = 5,163.63

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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.