Home / 11,672.56-17,505.66-3,880.36

Finding the Fourth Proportional to 11,672.56, 17,505.66 and 3,880.36

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Solution

The fourth proportional to 11,672.56, 17,505.66 and 3,880.36 is: 5,819.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.56 : 17,505.66 = 3,880.36 : x
  2. Step 2: Convert to fraction form
    11,672.56/17,505.66 = 3,880.36/x
  3. Step 3: Cross multiply
    11,672.56x = 17,505.66 × 3,880.36
  4. Step 4: Simplify right side
    11,672.56x = 67,928,262.84
  5. Step 5: Solve for x
    x = 67,928,262.84/11,672.56
  6. Step 6: Final answer
    x = 5,819.48

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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.