Home / 11,277.32-16,917.11-3,880.80

Finding the Fourth Proportional to 11,277.32, 16,917.11 and 3,880.80

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Solution

The fourth proportional to 11,277.32, 16,917.11 and 3,880.80 is: 5,821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.32 : 16,917.11 = 3,880.80 : x
  2. Step 2: Convert to fraction form
    11,277.32/16,917.11 = 3,880.80/x
  3. Step 3: Cross multiply
    11,277.32x = 16,917.11 × 3,880.80
  4. Step 4: Simplify right side
    11,277.32x = 65,651,915.64
  5. Step 5: Solve for x
    x = 65,651,915.64/11,277.32
  6. Step 6: Final answer
    x = 5,821.59

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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.