Home / 11,120.63-16,680.94-3,329.44

Finding the Fourth Proportional to 11,120.63, 16,680.94 and 3,329.44

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Solution

The fourth proportional to 11,120.63, 16,680.94 and 3,329.44 is: 4,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.63 : 16,680.94 = 3,329.44 : x
  2. Step 2: Convert to fraction form
    11,120.63/16,680.94 = 3,329.44/x
  3. Step 3: Cross multiply
    11,120.63x = 16,680.94 × 3,329.44
  4. Step 4: Simplify right side
    11,120.63x = 55,538,138.85
  5. Step 5: Solve for x
    x = 55,538,138.85/11,120.63
  6. Step 6: Final answer
    x = 4,994.16

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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.