Home / 12,202.18-18,268.68-8,029.64

Finding the Fourth Proportional to 12,202.18, 18,268.68 and 8,029.64

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Solution

The fourth proportional to 12,202.18, 18,268.68 and 8,029.64 is: 12,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.18 : 18,268.68 = 8,029.64 : x
  2. Step 2: Convert to fraction form
    12,202.18/18,268.68 = 8,029.64/x
  3. Step 3: Cross multiply
    12,202.18x = 18,268.68 × 8,029.64
  4. Step 4: Simplify right side
    12,202.18x = 146,690,923.68
  5. Step 5: Solve for x
    x = 146,690,923.68/12,202.18
  6. Step 6: Final answer
    x = 12,021.70

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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.