Home / 11,278.94-16,919.55-3,882.43

Finding the Fourth Proportional to 11,278.94, 16,919.55 and 3,882.43

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Solution

The fourth proportional to 11,278.94, 16,919.55 and 3,882.43 is: 5,824.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.94 : 16,919.55 = 3,882.43 : x
  2. Step 2: Convert to fraction form
    11,278.94/16,919.55 = 3,882.43/x
  3. Step 3: Cross multiply
    11,278.94x = 16,919.55 × 3,882.43
  4. Step 4: Simplify right side
    11,278.94x = 65,688,968.51
  5. Step 5: Solve for x
    x = 65,688,968.51/11,278.94
  6. Step 6: Final answer
    x = 5,824.04

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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.