Home / 11,219.85-16,830.28-4,198.04

Finding the Fourth Proportional to 11,219.85, 16,830.28 and 4,198.04

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Solution

The fourth proportional to 11,219.85, 16,830.28 and 4,198.04 is: 6,297.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.85 : 16,830.28 = 4,198.04 : x
  2. Step 2: Convert to fraction form
    11,219.85/16,830.28 = 4,198.04/x
  3. Step 3: Cross multiply
    11,219.85x = 16,830.28 × 4,198.04
  4. Step 4: Simplify right side
    11,219.85x = 70,654,104.50
  5. Step 5: Solve for x
    x = 70,654,104.50/11,219.85
  6. Step 6: Final answer
    x = 6,297.24

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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.