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Finding the Fourth Proportional to 22,369.68, 33,550.20 and 6,785.28

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Solution

The fourth proportional to 22,369.68, 33,550.20 and 6,785.28 is: 10,176.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,369.68 : 33,550.20 = 6,785.28 : x
  2. Step 2: Convert to fraction form
    22,369.68/33,550.20 = 6,785.28/x
  3. Step 3: Cross multiply
    22,369.68x = 33,550.20 × 6,785.28
  4. Step 4: Simplify right side
    22,369.68x = 227,647,501.06
  5. Step 5: Solve for x
    x = 227,647,501.06/22,369.68
  6. Step 6: Final answer
    x = 10,176.61

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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.