Home / 11,553.05-17,329.57-2,787.96

Finding the Fourth Proportional to 11,553.05, 17,329.57 and 2,787.96

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Solution

The fourth proportional to 11,553.05, 17,329.57 and 2,787.96 is: 4,181.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.05 : 17,329.57 = 2,787.96 : x
  2. Step 2: Convert to fraction form
    11,553.05/17,329.57 = 2,787.96/x
  3. Step 3: Cross multiply
    11,553.05x = 17,329.57 × 2,787.96
  4. Step 4: Simplify right side
    11,553.05x = 48,314,141.01
  5. Step 5: Solve for x
    x = 48,314,141.01/11,553.05
  6. Step 6: Final answer
    x = 4,181.94

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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.