Home / 20,674.68-31,022.28-8,194.44

Finding the Fourth Proportional to 20,674.68, 31,022.28 and 8,194.44

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Solution

The fourth proportional to 20,674.68, 31,022.28 and 8,194.44 is: 12,295.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,674.68 : 31,022.28 = 8,194.44 : x
  2. Step 2: Convert to fraction form
    20,674.68/31,022.28 = 8,194.44/x
  3. Step 3: Cross multiply
    20,674.68x = 31,022.28 × 8,194.44
  4. Step 4: Simplify right side
    20,674.68x = 254,210,212.12
  5. Step 5: Solve for x
    x = 254,210,212.12/20,674.68
  6. Step 6: Final answer
    x = 12,295.73

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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.