Home / 11,141.33-16,711.56-2,821.64

Finding the Fourth Proportional to 11,141.33, 16,711.56 and 2,821.64

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Solution

The fourth proportional to 11,141.33, 16,711.56 and 2,821.64 is: 4,232.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.33 : 16,711.56 = 2,821.64 : x
  2. Step 2: Convert to fraction form
    11,141.33/16,711.56 = 2,821.64/x
  3. Step 3: Cross multiply
    11,141.33x = 16,711.56 × 2,821.64
  4. Step 4: Simplify right side
    11,141.33x = 47,153,922.60
  5. Step 5: Solve for x
    x = 47,153,922.60/11,141.33
  6. Step 6: Final answer
    x = 4,232.34

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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.