Home / 11,278.27-16,919.26-3,880.94

Finding the Fourth Proportional to 11,278.27, 16,919.26 and 3,880.94

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Solution

The fourth proportional to 11,278.27, 16,919.26 and 3,880.94 is: 5,822.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.27 : 16,919.26 = 3,880.94 : x
  2. Step 2: Convert to fraction form
    11,278.27/16,919.26 = 3,880.94/x
  3. Step 3: Cross multiply
    11,278.27x = 16,919.26 × 3,880.94
  4. Step 4: Simplify right side
    11,278.27x = 65,662,632.90
  5. Step 5: Solve for x
    x = 65,662,632.90/11,278.27
  6. Step 6: Final answer
    x = 5,822.05

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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.