Home / 20,143.44-30,214.25-6,996.84

Finding the Fourth Proportional to 20,143.44, 30,214.25 and 6,996.84

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Solution

The fourth proportional to 20,143.44, 30,214.25 and 6,996.84 is: 10,494.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,143.44 : 30,214.25 = 6,996.84 : x
  2. Step 2: Convert to fraction form
    20,143.44/30,214.25 = 6,996.84/x
  3. Step 3: Cross multiply
    20,143.44x = 30,214.25 × 6,996.84
  4. Step 4: Simplify right side
    20,143.44x = 211,404,150.92
  5. Step 5: Solve for x
    x = 211,404,150.92/20,143.44
  6. Step 6: Final answer
    x = 10,494.94

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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.