Home / 11,676.30-17,517.33-4,284.78

Finding the Fourth Proportional to 11,676.30, 17,517.33 and 4,284.78

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Solution

The fourth proportional to 11,676.30, 17,517.33 and 4,284.78 is: 6,428.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,676.30 : 17,517.33 = 4,284.78 : x
  2. Step 2: Convert to fraction form
    11,676.30/17,517.33 = 4,284.78/x
  3. Step 3: Cross multiply
    11,676.30x = 17,517.33 × 4,284.78
  4. Step 4: Simplify right side
    11,676.30x = 75,057,905.24
  5. Step 5: Solve for x
    x = 75,057,905.24/11,676.30
  6. Step 6: Final answer
    x = 6,428.23

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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.