Home / 20,198.12-30,302.04-8,514.68

Finding the Fourth Proportional to 20,198.12, 30,302.04 and 8,514.68

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Solution

The fourth proportional to 20,198.12, 30,302.04 and 8,514.68 is: 12,774.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198.12 : 30,302.04 = 8,514.68 : x
  2. Step 2: Convert to fraction form
    20,198.12/30,302.04 = 8,514.68/x
  3. Step 3: Cross multiply
    20,198.12x = 30,302.04 × 8,514.68
  4. Step 4: Simplify right side
    20,198.12x = 258,012,173.95
  5. Step 5: Solve for x
    x = 258,012,173.95/20,198.12
  6. Step 6: Final answer
    x = 12,774.07

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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.