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Finding the Fourth Proportional to 22,162.69, 33,220.69 and 7,367.63

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Solution

The fourth proportional to 22,162.69, 33,220.69 and 7,367.63 is: 11,043.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,162.69 : 33,220.69 = 7,367.63 : x
  2. Step 2: Convert to fraction form
    22,162.69/33,220.69 = 7,367.63/x
  3. Step 3: Cross multiply
    22,162.69x = 33,220.69 × 7,367.63
  4. Step 4: Simplify right side
    22,162.69x = 244,757,752.26
  5. Step 5: Solve for x
    x = 244,757,752.26/22,162.69
  6. Step 6: Final answer
    x = 11,043.68

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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.