Home / 12,244.78-18,360.42-3,808.96

Finding the Fourth Proportional to 12,244.78, 18,360.42 and 3,808.96

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Solution

The fourth proportional to 12,244.78, 18,360.42 and 3,808.96 is: 5,711.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244.78 : 18,360.42 = 3,808.96 : x
  2. Step 2: Convert to fraction form
    12,244.78/18,360.42 = 3,808.96/x
  3. Step 3: Cross multiply
    12,244.78x = 18,360.42 × 3,808.96
  4. Step 4: Simplify right side
    12,244.78x = 69,934,105.36
  5. Step 5: Solve for x
    x = 69,934,105.36/12,244.78
  6. Step 6: Final answer
    x = 5,711.34

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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.