Home / 12,204.29-18,306.44-3,438.06

Finding the Fourth Proportional to 12,204.29, 18,306.44 and 3,438.06

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Solution

The fourth proportional to 12,204.29, 18,306.44 and 3,438.06 is: 5,157.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.29 : 18,306.44 = 3,438.06 : x
  2. Step 2: Convert to fraction form
    12,204.29/18,306.44 = 3,438.06/x
  3. Step 3: Cross multiply
    12,204.29x = 18,306.44 × 3,438.06
  4. Step 4: Simplify right side
    12,204.29x = 62,938,621.92
  5. Step 5: Solve for x
    x = 62,938,621.92/12,204.29
  6. Step 6: Final answer
    x = 5,157.09

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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.