Home / 11,982.89-17,975.21-4,863.71

Finding the Fourth Proportional to 11,982.89, 17,975.21 and 4,863.71

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Solution

The fourth proportional to 11,982.89, 17,975.21 and 4,863.71 is: 7,295.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.89 : 17,975.21 = 4,863.71 : x
  2. Step 2: Convert to fraction form
    11,982.89/17,975.21 = 4,863.71/x
  3. Step 3: Cross multiply
    11,982.89x = 17,975.21 × 4,863.71
  4. Step 4: Simplify right side
    11,982.89x = 87,426,229.25
  5. Step 5: Solve for x
    x = 87,426,229.25/11,982.89
  6. Step 6: Final answer
    x = 7,295.92

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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.