Home / 11,321.66-16,982.50-3,426.42

Finding the Fourth Proportional to 11,321.66, 16,982.50 and 3,426.42

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Solution

The fourth proportional to 11,321.66, 16,982.50 and 3,426.42 is: 5,139.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.66 : 16,982.50 = 3,426.42 : x
  2. Step 2: Convert to fraction form
    11,321.66/16,982.50 = 3,426.42/x
  3. Step 3: Cross multiply
    11,321.66x = 16,982.50 × 3,426.42
  4. Step 4: Simplify right side
    11,321.66x = 58,189,177.65
  5. Step 5: Solve for x
    x = 58,189,177.65/11,321.66
  6. Step 6: Final answer
    x = 5,139.63

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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.