Home / 12,202.83-18,302.61-3,438.42

Finding the Fourth Proportional to 12,202.83, 18,302.61 and 3,438.42

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Solution

The fourth proportional to 12,202.83, 18,302.61 and 3,438.42 is: 5,157.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.83 : 18,302.61 = 3,438.42 : x
  2. Step 2: Convert to fraction form
    12,202.83/18,302.61 = 3,438.42/x
  3. Step 3: Cross multiply
    12,202.83x = 18,302.61 × 3,438.42
  4. Step 4: Simplify right side
    12,202.83x = 62,932,060.28
  5. Step 5: Solve for x
    x = 62,932,060.28/12,202.83
  6. Step 6: Final answer
    x = 5,157.17

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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.