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Finding the Fourth Proportional to 11,475.29, 17,166.92 and 9,932.09

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Solution

The fourth proportional to 11,475.29, 17,166.92 and 9,932.09 is: 14,858.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.29 : 17,166.92 = 9,932.09 : x
  2. Step 2: Convert to fraction form
    11,475.29/17,166.92 = 9,932.09/x
  3. Step 3: Cross multiply
    11,475.29x = 17,166.92 × 9,932.09
  4. Step 4: Simplify right side
    11,475.29x = 170,503,258.97
  5. Step 5: Solve for x
    x = 170,503,258.97/11,475.29
  6. Step 6: Final answer
    x = 14,858.29

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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.