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Finding the Fourth Proportional to 22,591.54, 33,879.49 and 9,260.75

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Solution

The fourth proportional to 22,591.54, 33,879.49 and 9,260.75 is: 13,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,591.54 : 33,879.49 = 9,260.75 : x
  2. Step 2: Convert to fraction form
    22,591.54/33,879.49 = 9,260.75/x
  3. Step 3: Cross multiply
    22,591.54x = 33,879.49 × 9,260.75
  4. Step 4: Simplify right side
    22,591.54x = 313,749,470.15
  5. Step 5: Solve for x
    x = 313,749,470.15/22,591.54
  6. Step 6: Final answer
    x = 13,887.92

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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.