Home / 20,636.42-30,924.30-12,194.24

Finding the Fourth Proportional to 20,636.42, 30,924.30 and 12,194.24

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Solution

The fourth proportional to 20,636.42, 30,924.30 and 12,194.24 is: 18,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,636.42 : 30,924.30 = 12,194.24 : x
  2. Step 2: Convert to fraction form
    20,636.42/30,924.30 = 12,194.24/x
  3. Step 3: Cross multiply
    20,636.42x = 30,924.30 × 12,194.24
  4. Step 4: Simplify right side
    20,636.42x = 377,098,336.03
  5. Step 5: Solve for x
    x = 377,098,336.03/20,636.42
  6. Step 6: Final answer
    x = 18,273.44

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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.