Home / 11,331.38-16,997.08-4,309.78

Finding the Fourth Proportional to 11,331.38, 16,997.08 and 4,309.78

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Solution

The fourth proportional to 11,331.38, 16,997.08 and 4,309.78 is: 6,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.38 : 16,997.08 = 4,309.78 : x
  2. Step 2: Convert to fraction form
    11,331.38/16,997.08 = 4,309.78/x
  3. Step 3: Cross multiply
    11,331.38x = 16,997.08 × 4,309.78
  4. Step 4: Simplify right side
    11,331.38x = 73,253,583.24
  5. Step 5: Solve for x
    x = 73,253,583.24/11,331.38
  6. Step 6: Final answer
    x = 6,464.66

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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.