Home / 20,067.42-30,102.21-8,368.86

Finding the Fourth Proportional to 20,067.42, 30,102.21 and 8,368.86

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Solution

The fourth proportional to 20,067.42, 30,102.21 and 8,368.86 is: 12,553.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.42 : 30,102.21 = 8,368.86 : x
  2. Step 2: Convert to fraction form
    20,067.42/30,102.21 = 8,368.86/x
  3. Step 3: Cross multiply
    20,067.42x = 30,102.21 × 8,368.86
  4. Step 4: Simplify right side
    20,067.42x = 251,921,181.18
  5. Step 5: Solve for x
    x = 251,921,181.18/20,067.42
  6. Step 6: Final answer
    x = 12,553.74

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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.