Home / 11,989.44-17,986.24-3,669.26

Finding the Fourth Proportional to 11,989.44, 17,986.24 and 3,669.26

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Solution

The fourth proportional to 11,989.44, 17,986.24 and 3,669.26 is: 5,504.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989.44 : 17,986.24 = 3,669.26 : x
  2. Step 2: Convert to fraction form
    11,989.44/17,986.24 = 3,669.26/x
  3. Step 3: Cross multiply
    11,989.44x = 17,986.24 × 3,669.26
  4. Step 4: Simplify right side
    11,989.44x = 65,996,190.98
  5. Step 5: Solve for x
    x = 65,996,190.98/11,989.44
  6. Step 6: Final answer
    x = 5,504.53

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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.