Home / 11,093.40-16,639.78-4,517.96

Finding the Fourth Proportional to 11,093.40, 16,639.78 and 4,517.96

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Solution

The fourth proportional to 11,093.40, 16,639.78 and 4,517.96 is: 6,776.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,093.40 : 16,639.78 = 4,517.96 : x
  2. Step 2: Convert to fraction form
    11,093.40/16,639.78 = 4,517.96/x
  3. Step 3: Cross multiply
    11,093.40x = 16,639.78 × 4,517.96
  4. Step 4: Simplify right side
    11,093.40x = 75,177,860.45
  5. Step 5: Solve for x
    x = 75,177,860.45/11,093.40
  6. Step 6: Final answer
    x = 6,776.81

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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.