Home / 20,236.43-30,354.68-6,196.40

Finding the Fourth Proportional to 20,236.43, 30,354.68 and 6,196.40

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Solution

The fourth proportional to 20,236.43, 30,354.68 and 6,196.40 is: 9,294.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.43 : 30,354.68 = 6,196.40 : x
  2. Step 2: Convert to fraction form
    20,236.43/30,354.68 = 6,196.40/x
  3. Step 3: Cross multiply
    20,236.43x = 30,354.68 × 6,196.40
  4. Step 4: Simplify right side
    20,236.43x = 188,089,716.70
  5. Step 5: Solve for x
    x = 188,089,716.70/20,236.43
  6. Step 6: Final answer
    x = 9,294.61

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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.