Home / 11,972.54-17,958.80-3,207.22

Finding the Fourth Proportional to 11,972.54, 17,958.80 and 3,207.22

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Solution

The fourth proportional to 11,972.54, 17,958.80 and 3,207.22 is: 4,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.54 : 17,958.80 = 3,207.22 : x
  2. Step 2: Convert to fraction form
    11,972.54/17,958.80 = 3,207.22/x
  3. Step 3: Cross multiply
    11,972.54x = 17,958.80 × 3,207.22
  4. Step 4: Simplify right side
    11,972.54x = 57,597,785.66
  5. Step 5: Solve for x
    x = 57,597,785.66/11,972.54
  6. Step 6: Final answer
    x = 4,810.82

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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.