Home / 11,321.67-16,982.73-3,926.37

Finding the Fourth Proportional to 11,321.67, 16,982.73 and 3,926.37

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Solution

The fourth proportional to 11,321.67, 16,982.73 and 3,926.37 is: 5,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.67 : 16,982.73 = 3,926.37 : x
  2. Step 2: Convert to fraction form
    11,321.67/16,982.73 = 3,926.37/x
  3. Step 3: Cross multiply
    11,321.67x = 16,982.73 × 3,926.37
  4. Step 4: Simplify right side
    11,321.67x = 66,680,545.28
  5. Step 5: Solve for x
    x = 66,680,545.28/11,321.67
  6. Step 6: Final answer
    x = 5,889.64

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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.