Home / 11,151.32-16,727.79-3,755.78

Finding the Fourth Proportional to 11,151.32, 16,727.79 and 3,755.78

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Solution

The fourth proportional to 11,151.32, 16,727.79 and 3,755.78 is: 5,633.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.32 : 16,727.79 = 3,755.78 : x
  2. Step 2: Convert to fraction form
    11,151.32/16,727.79 = 3,755.78/x
  3. Step 3: Cross multiply
    11,151.32x = 16,727.79 × 3,755.78
  4. Step 4: Simplify right side
    11,151.32x = 62,825,899.13
  5. Step 5: Solve for x
    x = 62,825,899.13/11,151.32
  6. Step 6: Final answer
    x = 5,633.94

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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.