Home / 11,832.62-17,743.46-4,431.78

Finding the Fourth Proportional to 11,832.62, 17,743.46 and 4,431.78

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Solution

The fourth proportional to 11,832.62, 17,743.46 and 4,431.78 is: 6,645.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.62 : 17,743.46 = 4,431.78 : x
  2. Step 2: Convert to fraction form
    11,832.62/17,743.46 = 4,431.78/x
  3. Step 3: Cross multiply
    11,832.62x = 17,743.46 × 4,431.78
  4. Step 4: Simplify right side
    11,832.62x = 78,635,089.00
  5. Step 5: Solve for x
    x = 78,635,089.00/11,832.62
  6. Step 6: Final answer
    x = 6,645.62

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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.