Home / 17,449.20-26,117.64-12,190.68

Finding the Fourth Proportional to 17,449.20, 26,117.64 and 12,190.68

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Solution

The fourth proportional to 17,449.20, 26,117.64 and 12,190.68 is: 18,246.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,449.20 : 26,117.64 = 12,190.68 : x
  2. Step 2: Convert to fraction form
    17,449.20/26,117.64 = 12,190.68/x
  3. Step 3: Cross multiply
    17,449.20x = 26,117.64 × 12,190.68
  4. Step 4: Simplify right side
    17,449.20x = 318,391,791.60
  5. Step 5: Solve for x
    x = 318,391,791.60/17,449.20
  6. Step 6: Final answer
    x = 18,246.78

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1.5x scale

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.