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Finding the Fourth Proportional to 17,881.44, 26,791.84 and 10,941.44

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Solution

The fourth proportional to 17,881.44, 26,791.84 and 10,941.44 is: 16,393.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,881.44 : 26,791.84 = 10,941.44 : x
  2. Step 2: Convert to fraction form
    17,881.44/26,791.84 = 10,941.44/x
  3. Step 3: Cross multiply
    17,881.44x = 26,791.84 × 10,941.44
  4. Step 4: Simplify right side
    17,881.44x = 293,141,309.85
  5. Step 5: Solve for x
    x = 293,141,309.85/17,881.44
  6. Step 6: Final answer
    x = 16,393.61

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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.