Home / 11,078.87-16,616.33-4,414.81

Finding the Fourth Proportional to 11,078.87, 16,616.33 and 4,414.81

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Solution

The fourth proportional to 11,078.87, 16,616.33 and 4,414.81 is: 6,621.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.87 : 16,616.33 = 4,414.81 : x
  2. Step 2: Convert to fraction form
    11,078.87/16,616.33 = 4,414.81/x
  3. Step 3: Cross multiply
    11,078.87x = 16,616.33 × 4,414.81
  4. Step 4: Simplify right side
    11,078.87x = 73,357,856.77
  5. Step 5: Solve for x
    x = 73,357,856.77/11,078.87
  6. Step 6: Final answer
    x = 6,621.42

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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.