Home / 11,778.20-17,661.62-6,849.26

Finding the Fourth Proportional to 11,778.20, 17,661.62 and 6,849.26

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Solution

The fourth proportional to 11,778.20, 17,661.62 and 6,849.26 is: 10,270.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.20 : 17,661.62 = 6,849.26 : x
  2. Step 2: Convert to fraction form
    11,778.20/17,661.62 = 6,849.26/x
  3. Step 3: Cross multiply
    11,778.20x = 17,661.62 × 6,849.26
  4. Step 4: Simplify right side
    11,778.20x = 120,969,027.40
  5. Step 5: Solve for x
    x = 120,969,027.40/11,778.20
  6. Step 6: Final answer
    x = 10,270.59

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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.