Home / 19,958.76-29,949.81-11,081.57

Finding the Fourth Proportional to 19,958.76, 29,949.81 and 11,081.57

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Solution

The fourth proportional to 19,958.76, 29,949.81 and 11,081.57 is: 16,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.76 : 29,949.81 = 11,081.57 : x
  2. Step 2: Convert to fraction form
    19,958.76/29,949.81 = 11,081.57/x
  3. Step 3: Cross multiply
    19,958.76x = 29,949.81 × 11,081.57
  4. Step 4: Simplify right side
    19,958.76x = 331,890,766.25
  5. Step 5: Solve for x
    x = 331,890,766.25/19,958.76
  6. Step 6: Final answer
    x = 16,628.83

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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.