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Finding the Fourth Proportional to 17,843.85, 26,744.50 and 7,313.44

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Solution

The fourth proportional to 17,843.85, 26,744.50 and 7,313.44 is: 10,961.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,843.85 : 26,744.50 = 7,313.44 : x
  2. Step 2: Convert to fraction form
    17,843.85/26,744.50 = 7,313.44/x
  3. Step 3: Cross multiply
    17,843.85x = 26,744.50 × 7,313.44
  4. Step 4: Simplify right side
    17,843.85x = 195,594,296.08
  5. Step 5: Solve for x
    x = 195,594,296.08/17,843.85
  6. Step 6: Final answer
    x = 10,961.44

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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.