Home / 11,379.92-17,077.57-3,984.45

Finding the Fourth Proportional to 11,379.92, 17,077.57 and 3,984.45

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Solution

The fourth proportional to 11,379.92, 17,077.57 and 3,984.45 is: 5,979.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379.92 : 17,077.57 = 3,984.45 : x
  2. Step 2: Convert to fraction form
    11,379.92/17,077.57 = 3,984.45/x
  3. Step 3: Cross multiply
    11,379.92x = 17,077.57 × 3,984.45
  4. Step 4: Simplify right side
    11,379.92x = 68,044,723.79
  5. Step 5: Solve for x
    x = 68,044,723.79/11,379.92
  6. Step 6: Final answer
    x = 5,979.37

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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.