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Finding the Fourth Proportional to 11,672.14, 17,509.08 and 3,352.09

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Solution

The fourth proportional to 11,672.14, 17,509.08 and 3,352.09 is: 5,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.14 : 17,509.08 = 3,352.09 : x
  2. Step 2: Convert to fraction form
    11,672.14/17,509.08 = 3,352.09/x
  3. Step 3: Cross multiply
    11,672.14x = 17,509.08 × 3,352.09
  4. Step 4: Simplify right side
    11,672.14x = 58,692,011.98
  5. Step 5: Solve for x
    x = 58,692,011.98/11,672.14
  6. Step 6: Final answer
    x = 5,028.38

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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.