Home / 11,330.80-16,997.01-3,934.30

Finding the Fourth Proportional to 11,330.80, 16,997.01 and 3,934.30

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Solution

The fourth proportional to 11,330.80, 16,997.01 and 3,934.30 is: 5,901.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.80 : 16,997.01 = 3,934.30 : x
  2. Step 2: Convert to fraction form
    11,330.80/16,997.01 = 3,934.30/x
  3. Step 3: Cross multiply
    11,330.80x = 16,997.01 × 3,934.30
  4. Step 4: Simplify right side
    11,330.80x = 66,871,336.44
  5. Step 5: Solve for x
    x = 66,871,336.44/11,330.80
  6. Step 6: Final answer
    x = 5,901.73

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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.