Home / 12,212.11-18,326.92-5,197.06

Finding the Fourth Proportional to 12,212.11, 18,326.92 and 5,197.06

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Solution

The fourth proportional to 12,212.11, 18,326.92 and 5,197.06 is: 7,799.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212.11 : 18,326.92 = 5,197.06 : x
  2. Step 2: Convert to fraction form
    12,212.11/18,326.92 = 5,197.06/x
  3. Step 3: Cross multiply
    12,212.11x = 18,326.92 × 5,197.06
  4. Step 4: Simplify right side
    12,212.11x = 95,246,033.18
  5. Step 5: Solve for x
    x = 95,246,033.18/12,212.11
  6. Step 6: Final answer
    x = 7,799.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.