Home / 11,990.03-17,984.27-3,669.38

Finding the Fourth Proportional to 11,990.03, 17,984.27 and 3,669.38

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Solution

The fourth proportional to 11,990.03, 17,984.27 and 3,669.38 is: 5,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.03 : 17,984.27 = 3,669.38 : x
  2. Step 2: Convert to fraction form
    11,990.03/17,984.27 = 3,669.38/x
  3. Step 3: Cross multiply
    11,990.03x = 17,984.27 × 3,669.38
  4. Step 4: Simplify right side
    11,990.03x = 65,991,107.35
  5. Step 5: Solve for x
    x = 65,991,107.35/11,990.03
  6. Step 6: Final answer
    x = 5,503.83

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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.