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Finding the Fourth Proportional to 22,434.11, 33,672 and 11,348.63

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Solution

The fourth proportional to 22,434.11, 33,672 and 11,348.63 is: 17,033.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,434.11 : 33,672 = 11,348.63 : x
  2. Step 2: Convert to fraction form
    22,434.11/33,672 = 11,348.63/x
  3. Step 3: Cross multiply
    22,434.11x = 33,672 × 11,348.63
  4. Step 4: Simplify right side
    22,434.11x = 382,131,069.36
  5. Step 5: Solve for x
    x = 382,131,069.36/22,434.11
  6. Step 6: Final answer
    x = 17,033.48

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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.