Home / 12,201.12-18,304.38-3,883.68

Finding the Fourth Proportional to 12,201.12, 18,304.38 and 3,883.68

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Solution

The fourth proportional to 12,201.12, 18,304.38 and 3,883.68 is: 5,826.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201.12 : 18,304.38 = 3,883.68 : x
  2. Step 2: Convert to fraction form
    12,201.12/18,304.38 = 3,883.68/x
  3. Step 3: Cross multiply
    12,201.12x = 18,304.38 × 3,883.68
  4. Step 4: Simplify right side
    12,201.12x = 71,088,354.52
  5. Step 5: Solve for x
    x = 71,088,354.52/12,201.12
  6. Step 6: Final answer
    x = 5,826.38

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1.5x scale

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.