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Finding the Fourth Proportional to 10,755.99, 14,843.25 and 5,976.79

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Solution

The fourth proportional to 10,755.99, 14,843.25 and 5,976.79 is: 8,247.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,755.99 : 14,843.25 = 5,976.79 : x
  2. Step 2: Convert to fraction form
    10,755.99/14,843.25 = 5,976.79/x
  3. Step 3: Cross multiply
    10,755.99x = 14,843.25 × 5,976.79
  4. Step 4: Simplify right side
    10,755.99x = 88,714,951.06
  5. Step 5: Solve for x
    x = 88,714,951.06/10,755.99
  6. Step 6: Final answer
    x = 8,247.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.