Home / 20,199.22-30,293.97-8,506.06

Finding the Fourth Proportional to 20,199.22, 30,293.97 and 8,506.06

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Solution

The fourth proportional to 20,199.22, 30,293.97 and 8,506.06 is: 12,757.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.22 : 30,293.97 = 8,506.06 : x
  2. Step 2: Convert to fraction form
    20,199.22/30,293.97 = 8,506.06/x
  3. Step 3: Cross multiply
    20,199.22x = 30,293.97 × 8,506.06
  4. Step 4: Simplify right side
    20,199.22x = 257,682,326.46
  5. Step 5: Solve for x
    x = 257,682,326.46/20,199.22
  6. Step 6: Final answer
    x = 12,757.04

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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.