Home / 12,246.12-18,369.34-3,481.02

Finding the Fourth Proportional to 12,246.12, 18,369.34 and 3,481.02

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Solution

The fourth proportional to 12,246.12, 18,369.34 and 3,481.02 is: 5,221.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.12 : 18,369.34 = 3,481.02 : x
  2. Step 2: Convert to fraction form
    12,246.12/18,369.34 = 3,481.02/x
  3. Step 3: Cross multiply
    12,246.12x = 18,369.34 × 3,481.02
  4. Step 4: Simplify right side
    12,246.12x = 63,944,039.93
  5. Step 5: Solve for x
    x = 63,944,039.93/12,246.12
  6. Step 6: Final answer
    x = 5,221.58

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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.