Home / 10,755.33-16,132.96-2,858.64

Finding the Fourth Proportional to 10,755.33, 16,132.96 and 2,858.64

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Solution

The fourth proportional to 10,755.33, 16,132.96 and 2,858.64 is: 4,287.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,755.33 : 16,132.96 = 2,858.64 : x
  2. Step 2: Convert to fraction form
    10,755.33/16,132.96 = 2,858.64/x
  3. Step 3: Cross multiply
    10,755.33x = 16,132.96 × 2,858.64
  4. Step 4: Simplify right side
    10,755.33x = 46,118,269.57
  5. Step 5: Solve for x
    x = 46,118,269.57/10,755.33
  6. Step 6: Final answer
    x = 4,287.95

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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.