Home / 11,190.24-16,787.78-3,399.66

Finding the Fourth Proportional to 11,190.24, 16,787.78 and 3,399.66

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Solution

The fourth proportional to 11,190.24, 16,787.78 and 3,399.66 is: 5,100.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.24 : 16,787.78 = 3,399.66 : x
  2. Step 2: Convert to fraction form
    11,190.24/16,787.78 = 3,399.66/x
  3. Step 3: Cross multiply
    11,190.24x = 16,787.78 × 3,399.66
  4. Step 4: Simplify right side
    11,190.24x = 57,072,727.16
  5. Step 5: Solve for x
    x = 57,072,727.16/11,190.24
  6. Step 6: Final answer
    x = 5,100.22

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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.