Home / 11,983.24-17,974.86-6,778.36

Finding the Fourth Proportional to 11,983.24, 17,974.86 and 6,778.36

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Solution

The fourth proportional to 11,983.24, 17,974.86 and 6,778.36 is: 10,167.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,983.24 : 17,974.86 = 6,778.36 : x
  2. Step 2: Convert to fraction form
    11,983.24/17,974.86 = 6,778.36/x
  3. Step 3: Cross multiply
    11,983.24x = 17,974.86 × 6,778.36
  4. Step 4: Simplify right side
    11,983.24x = 121,840,072.03
  5. Step 5: Solve for x
    x = 121,840,072.03/11,983.24
  6. Step 6: Final answer
    x = 10,167.54

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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.