Home / 10,865.87-16,295.96-3,845.19

Finding the Fourth Proportional to 10,865.87, 16,295.96 and 3,845.19

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Solution

The fourth proportional to 10,865.87, 16,295.96 and 3,845.19 is: 5,766.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.87 : 16,295.96 = 3,845.19 : x
  2. Step 2: Convert to fraction form
    10,865.87/16,295.96 = 3,845.19/x
  3. Step 3: Cross multiply
    10,865.87x = 16,295.96 × 3,845.19
  4. Step 4: Simplify right side
    10,865.87x = 62,661,072.05
  5. Step 5: Solve for x
    x = 62,661,072.05/10,865.87
  6. Step 6: Final answer
    x = 5,766.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.