Home / 11,982.44-17,942.20-9,629.94

Finding the Fourth Proportional to 11,982.44, 17,942.20 and 9,629.94

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Solution

The fourth proportional to 11,982.44, 17,942.20 and 9,629.94 is: 14,419.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.44 : 17,942.20 = 9,629.94 : x
  2. Step 2: Convert to fraction form
    11,982.44/17,942.20 = 9,629.94/x
  3. Step 3: Cross multiply
    11,982.44x = 17,942.20 × 9,629.94
  4. Step 4: Simplify right side
    11,982.44x = 172,782,309.47
  5. Step 5: Solve for x
    x = 172,782,309.47/11,982.44
  6. Step 6: Final answer
    x = 14,419.63

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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.