Home / 20,204.11-30,298.87-8,518.24

Finding the Fourth Proportional to 20,204.11, 30,298.87 and 8,518.24

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Solution

The fourth proportional to 20,204.11, 30,298.87 and 8,518.24 is: 12,774.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.11 : 30,298.87 = 8,518.24 : x
  2. Step 2: Convert to fraction form
    20,204.11/30,298.87 = 8,518.24/x
  3. Step 3: Cross multiply
    20,204.11x = 30,298.87 × 8,518.24
  4. Step 4: Simplify right side
    20,204.11x = 258,093,046.39
  5. Step 5: Solve for x
    x = 258,093,046.39/20,204.11
  6. Step 6: Final answer
    x = 12,774.28

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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.