Home / 11,251.84-16,867.32-3,854.54

Finding the Fourth Proportional to 11,251.84, 16,867.32 and 3,854.54

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Solution

The fourth proportional to 11,251.84, 16,867.32 and 3,854.54 is: 5,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.84 : 16,867.32 = 3,854.54 : x
  2. Step 2: Convert to fraction form
    11,251.84/16,867.32 = 3,854.54/x
  3. Step 3: Cross multiply
    11,251.84x = 16,867.32 × 3,854.54
  4. Step 4: Simplify right side
    11,251.84x = 65,015,714.15
  5. Step 5: Solve for x
    x = 65,015,714.15/11,251.84
  6. Step 6: Final answer
    x = 5,778.23

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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.