Home / 11,481.62-17,181.39-8,999.38

Finding the Fourth Proportional to 11,481.62, 17,181.39 and 8,999.38

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Solution

The fourth proportional to 11,481.62, 17,181.39 and 8,999.38 is: 13,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.62 : 17,181.39 = 8,999.38 : x
  2. Step 2: Convert to fraction form
    11,481.62/17,181.39 = 8,999.38/x
  3. Step 3: Cross multiply
    11,481.62x = 17,181.39 × 8,999.38
  4. Step 4: Simplify right side
    11,481.62x = 154,621,771.63
  5. Step 5: Solve for x
    x = 154,621,771.63/11,481.62
  6. Step 6: Final answer
    x = 13,466.90

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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.