Home / 12,207.36-18,311.66-3,442.95

Finding the Fourth Proportional to 12,207.36, 18,311.66 and 3,442.95

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Solution

The fourth proportional to 12,207.36, 18,311.66 and 3,442.95 is: 5,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.36 : 18,311.66 = 3,442.95 : x
  2. Step 2: Convert to fraction form
    12,207.36/18,311.66 = 3,442.95/x
  3. Step 3: Cross multiply
    12,207.36x = 18,311.66 × 3,442.95
  4. Step 4: Simplify right side
    12,207.36x = 63,046,200.62
  5. Step 5: Solve for x
    x = 63,046,200.62/12,207.36
  6. Step 6: Final answer
    x = 5,164.61

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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.