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Finding the Fourth Proportional to 11,968.54, 17,951.54 and 3,204.34

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Solution

The fourth proportional to 11,968.54, 17,951.54 and 3,204.34 is: 4,806.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.54 : 17,951.54 = 3,204.34 : x
  2. Step 2: Convert to fraction form
    11,968.54/17,951.54 = 3,204.34/x
  3. Step 3: Cross multiply
    11,968.54x = 17,951.54 × 3,204.34
  4. Step 4: Simplify right side
    11,968.54x = 57,522,837.68
  5. Step 5: Solve for x
    x = 57,522,837.68/11,968.54
  6. Step 6: Final answer
    x = 4,806.17

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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.