Home / 11,988.41-17,982.61-3,224.21

Finding the Fourth Proportional to 11,988.41, 17,982.61 and 3,224.21

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Solution

The fourth proportional to 11,988.41, 17,982.61 and 3,224.21 is: 4,836.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.41 : 17,982.61 = 3,224.21 : x
  2. Step 2: Convert to fraction form
    11,988.41/17,982.61 = 3,224.21/x
  3. Step 3: Cross multiply
    11,988.41x = 17,982.61 × 3,224.21
  4. Step 4: Simplify right side
    11,988.41x = 57,979,613.01
  5. Step 5: Solve for x
    x = 57,979,613.01/11,988.41
  6. Step 6: Final answer
    x = 4,836.31

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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.