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Finding the Fourth Proportional to 11,232.78, 16,850.39 and 4,664.49

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Solution

The fourth proportional to 11,232.78, 16,850.39 and 4,664.49 is: 6,997.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.78 : 16,850.39 = 4,664.49 : x
  2. Step 2: Convert to fraction form
    11,232.78/16,850.39 = 4,664.49/x
  3. Step 3: Cross multiply
    11,232.78x = 16,850.39 × 4,664.49
  4. Step 4: Simplify right side
    11,232.78x = 78,598,452.33
  5. Step 5: Solve for x
    x = 78,598,452.33/11,232.78
  6. Step 6: Final answer
    x = 6,997.24

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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.