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Finding the Fourth Proportional to 22,135.68, 33,213.24 and 11,748.24

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Solution

The fourth proportional to 22,135.68, 33,213.24 and 11,748.24 is: 17,627.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,135.68 : 33,213.24 = 11,748.24 : x
  2. Step 2: Convert to fraction form
    22,135.68/33,213.24 = 11,748.24/x
  3. Step 3: Cross multiply
    22,135.68x = 33,213.24 × 11,748.24
  4. Step 4: Simplify right side
    22,135.68x = 390,197,114.70
  5. Step 5: Solve for x
    x = 390,197,114.70/22,135.68
  6. Step 6: Final answer
    x = 17,627.52

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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.