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Finding the Fourth Proportional to 17,138.99, 25,710.56 and 6,043.41

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Solution

The fourth proportional to 17,138.99, 25,710.56 and 6,043.41 is: 9,065.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,138.99 : 25,710.56 = 6,043.41 : x
  2. Step 2: Convert to fraction form
    17,138.99/25,710.56 = 6,043.41/x
  3. Step 3: Cross multiply
    17,138.99x = 25,710.56 × 6,043.41
  4. Step 4: Simplify right side
    17,138.99x = 155,379,481.85
  5. Step 5: Solve for x
    x = 155,379,481.85/17,138.99
  6. Step 6: Final answer
    x = 9,065.85

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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.