Home / 11,189.92-16,787.58-3,398.26

Finding the Fourth Proportional to 11,189.92, 16,787.58 and 3,398.26

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Solution

The fourth proportional to 11,189.92, 16,787.58 and 3,398.26 is: 5,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.92 : 16,787.58 = 3,398.26 : x
  2. Step 2: Convert to fraction form
    11,189.92/16,787.58 = 3,398.26/x
  3. Step 3: Cross multiply
    11,189.92x = 16,787.58 × 3,398.26
  4. Step 4: Simplify right side
    11,189.92x = 57,048,561.61
  5. Step 5: Solve for x
    x = 57,048,561.61/11,189.92
  6. Step 6: Final answer
    x = 5,098.21

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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.