Home / 11,176.12-16,766.70-3,781

Finding the Fourth Proportional to 11,176.12, 16,766.70 and 3,781

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Solution

The fourth proportional to 11,176.12, 16,766.70 and 3,781 is: 5,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.12 : 16,766.70 = 3,781 : x
  2. Step 2: Convert to fraction form
    11,176.12/16,766.70 = 3,781/x
  3. Step 3: Cross multiply
    11,176.12x = 16,766.70 × 3,781
  4. Step 4: Simplify right side
    11,176.12x = 63,394,892.70
  5. Step 5: Solve for x
    x = 63,394,892.70/11,176.12
  6. Step 6: Final answer
    x = 5,672.35

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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.