Home / 10,268.66-15,395.15-8,508.26

Finding the Fourth Proportional to 10,268.66, 15,395.15 and 8,508.26

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Solution

The fourth proportional to 10,268.66, 15,395.15 and 8,508.26 is: 12,755.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268.66 : 15,395.15 = 8,508.26 : x
  2. Step 2: Convert to fraction form
    10,268.66/15,395.15 = 8,508.26/x
  3. Step 3: Cross multiply
    10,268.66x = 15,395.15 × 8,508.26
  4. Step 4: Simplify right side
    10,268.66x = 130,985,819.42
  5. Step 5: Solve for x
    x = 130,985,819.42/10,268.66
  6. Step 6: Final answer
    x = 12,755.89

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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.