Home / 12,156.36-18,232.38-3,836.04

Finding the Fourth Proportional to 12,156.36, 18,232.38 and 3,836.04

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Solution

The fourth proportional to 12,156.36, 18,232.38 and 3,836.04 is: 5,753.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156.36 : 18,232.38 = 3,836.04 : x
  2. Step 2: Convert to fraction form
    12,156.36/18,232.38 = 3,836.04/x
  3. Step 3: Cross multiply
    12,156.36x = 18,232.38 × 3,836.04
  4. Step 4: Simplify right side
    12,156.36x = 69,940,138.98
  5. Step 5: Solve for x
    x = 69,940,138.98/12,156.36
  6. Step 6: Final answer
    x = 5,753.38

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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.