Home / 10,765.26-16,147.87-2,867.78

Finding the Fourth Proportional to 10,765.26, 16,147.87 and 2,867.78

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Solution

The fourth proportional to 10,765.26, 16,147.87 and 2,867.78 is: 4,301.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.26 : 16,147.87 = 2,867.78 : x
  2. Step 2: Convert to fraction form
    10,765.26/16,147.87 = 2,867.78/x
  3. Step 3: Cross multiply
    10,765.26x = 16,147.87 × 2,867.78
  4. Step 4: Simplify right side
    10,765.26x = 46,308,538.63
  5. Step 5: Solve for x
    x = 46,308,538.63/10,765.26
  6. Step 6: Final answer
    x = 4,301.66

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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.