Home / 12,134.12-18,201.18-3,369.03

Finding the Fourth Proportional to 12,134.12, 18,201.18 and 3,369.03

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Solution

The fourth proportional to 12,134.12, 18,201.18 and 3,369.03 is: 5,053.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.12 : 18,201.18 = 3,369.03 : x
  2. Step 2: Convert to fraction form
    12,134.12/18,201.18 = 3,369.03/x
  3. Step 3: Cross multiply
    12,134.12x = 18,201.18 × 3,369.03
  4. Step 4: Simplify right side
    12,134.12x = 61,320,321.46
  5. Step 5: Solve for x
    x = 61,320,321.46/12,134.12
  6. Step 6: Final answer
    x = 5,053.55

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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.