Home / 11,982.02-17,974.85-7,305.48

Finding the Fourth Proportional to 11,982.02, 17,974.85 and 7,305.48

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Solution

The fourth proportional to 11,982.02, 17,974.85 and 7,305.48 is: 10,959.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.02 : 17,974.85 = 7,305.48 : x
  2. Step 2: Convert to fraction form
    11,982.02/17,974.85 = 7,305.48/x
  3. Step 3: Cross multiply
    11,982.02x = 17,974.85 × 7,305.48
  4. Step 4: Simplify right side
    11,982.02x = 131,314,870.65
  5. Step 5: Solve for x
    x = 131,314,870.65/11,982.02
  6. Step 6: Final answer
    x = 10,959.33

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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.