Home / 11,331.87-16,997.30-3,936.91

Finding the Fourth Proportional to 11,331.87, 16,997.30 and 3,936.91

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Solution

The fourth proportional to 11,331.87, 16,997.30 and 3,936.91 is: 5,905.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.87 : 16,997.30 = 3,936.91 : x
  2. Step 2: Convert to fraction form
    11,331.87/16,997.30 = 3,936.91/x
  3. Step 3: Cross multiply
    11,331.87x = 16,997.30 × 3,936.91
  4. Step 4: Simplify right side
    11,331.87x = 66,916,820.66
  5. Step 5: Solve for x
    x = 66,916,820.66/11,331.87
  6. Step 6: Final answer
    x = 5,905.19

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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.