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Finding the Fourth Proportional to 22,124.16, 33,199.88 and 8,976.65

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Solution

The fourth proportional to 22,124.16, 33,199.88 and 8,976.65 is: 13,470.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,124.16 : 33,199.88 = 8,976.65 : x
  2. Step 2: Convert to fraction form
    22,124.16/33,199.88 = 8,976.65/x
  3. Step 3: Cross multiply
    22,124.16x = 33,199.88 × 8,976.65
  4. Step 4: Simplify right side
    22,124.16x = 298,023,491.92
  5. Step 5: Solve for x
    x = 298,023,491.92/22,124.16
  6. Step 6: Final answer
    x = 13,470.50

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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.