Home / 12,203.39-18,304.73-3,883.90

Finding the Fourth Proportional to 12,203.39, 18,304.73 and 3,883.90

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Solution

The fourth proportional to 12,203.39, 18,304.73 and 3,883.90 is: 5,825.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203.39 : 18,304.73 = 3,883.90 : x
  2. Step 2: Convert to fraction form
    12,203.39/18,304.73 = 3,883.90/x
  3. Step 3: Cross multiply
    12,203.39x = 18,304.73 × 3,883.90
  4. Step 4: Simplify right side
    12,203.39x = 71,093,746.40
  5. Step 5: Solve for x
    x = 71,093,746.40/12,203.39
  6. Step 6: Final answer
    x = 5,825.74

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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.