Home / 17,961.24-26,945.10-8,105.16

Finding the Fourth Proportional to 17,961.24, 26,945.10 and 8,105.16

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Solution

The fourth proportional to 17,961.24, 26,945.10 and 8,105.16 is: 12,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961.24 : 26,945.10 = 8,105.16 : x
  2. Step 2: Convert to fraction form
    17,961.24/26,945.10 = 8,105.16/x
  3. Step 3: Cross multiply
    17,961.24x = 26,945.10 × 8,105.16
  4. Step 4: Simplify right side
    17,961.24x = 218,394,346.72
  5. Step 5: Solve for x
    x = 218,394,346.72/17,961.24
  6. Step 6: Final answer
    x = 12,159.20

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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.