Home / 11,280.33-16,919.78-3,884.94

Finding the Fourth Proportional to 11,280.33, 16,919.78 and 3,884.94

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Solution

The fourth proportional to 11,280.33, 16,919.78 and 3,884.94 is: 5,827.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.33 : 16,919.78 = 3,884.94 : x
  2. Step 2: Convert to fraction form
    11,280.33/16,919.78 = 3,884.94/x
  3. Step 3: Cross multiply
    11,280.33x = 16,919.78 × 3,884.94
  4. Step 4: Simplify right side
    11,280.33x = 65,732,310.69
  5. Step 5: Solve for x
    x = 65,732,310.69/11,280.33
  6. Step 6: Final answer
    x = 5,827.16

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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.