Home / 11,962.54-17,942.40-3,198.13

Finding the Fourth Proportional to 11,962.54, 17,942.40 and 3,198.13

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Solution

The fourth proportional to 11,962.54, 17,942.40 and 3,198.13 is: 4,796.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.54 : 17,942.40 = 3,198.13 : x
  2. Step 2: Convert to fraction form
    11,962.54/17,942.40 = 3,198.13/x
  3. Step 3: Cross multiply
    11,962.54x = 17,942.40 × 3,198.13
  4. Step 4: Simplify right side
    11,962.54x = 57,382,127.71
  5. Step 5: Solve for x
    x = 57,382,127.71/11,962.54
  6. Step 6: Final answer
    x = 4,796.82

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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.