Home / 11,081.14-16,616.85-4,150.78

Finding the Fourth Proportional to 11,081.14, 16,616.85 and 4,150.78

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Solution

The fourth proportional to 11,081.14, 16,616.85 and 4,150.78 is: 6,224.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.14 : 16,616.85 = 4,150.78 : x
  2. Step 2: Convert to fraction form
    11,081.14/16,616.85 = 4,150.78/x
  3. Step 3: Cross multiply
    11,081.14x = 16,616.85 × 4,150.78
  4. Step 4: Simplify right side
    11,081.14x = 68,972,901.63
  5. Step 5: Solve for x
    x = 68,972,901.63/11,081.14
  6. Step 6: Final answer
    x = 6,224.35

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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.