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Finding the Fourth Proportional to 17,334.68, 25,984.74 and 8,556.44

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Solution

The fourth proportional to 17,334.68, 25,984.74 and 8,556.44 is: 12,826.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,334.68 : 25,984.74 = 8,556.44 : x
  2. Step 2: Convert to fraction form
    17,334.68/25,984.74 = 8,556.44/x
  3. Step 3: Cross multiply
    17,334.68x = 25,984.74 × 8,556.44
  4. Step 4: Simplify right side
    17,334.68x = 222,336,868.73
  5. Step 5: Solve for x
    x = 222,336,868.73/17,334.68
  6. Step 6: Final answer
    x = 12,826.13

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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.