Home / 20,067.66-30,103.17-6,914.70

Finding the Fourth Proportional to 20,067.66, 30,103.17 and 6,914.70

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Solution

The fourth proportional to 20,067.66, 30,103.17 and 6,914.70 is: 10,372.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.66 : 30,103.17 = 6,914.70 : x
  2. Step 2: Convert to fraction form
    20,067.66/30,103.17 = 6,914.70/x
  3. Step 3: Cross multiply
    20,067.66x = 30,103.17 × 6,914.70
  4. Step 4: Simplify right side
    20,067.66x = 208,154,389.60
  5. Step 5: Solve for x
    x = 208,154,389.60/20,067.66
  6. Step 6: Final answer
    x = 10,372.63

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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.