Home / 17,160.30-25,708.05-8,811.90

Finding the Fourth Proportional to 17,160.30, 25,708.05 and 8,811.90

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Solution

The fourth proportional to 17,160.30, 25,708.05 and 8,811.90 is: 13,201.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,160.30 : 25,708.05 = 8,811.90 : x
  2. Step 2: Convert to fraction form
    17,160.30/25,708.05 = 8,811.90/x
  3. Step 3: Cross multiply
    17,160.30x = 25,708.05 × 8,811.90
  4. Step 4: Simplify right side
    17,160.30x = 226,536,765.80
  5. Step 5: Solve for x
    x = 226,536,765.80/17,160.30
  6. Step 6: Final answer
    x = 13,201.21

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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.