Home / 11,630.58-17,445.78-3,839.37

Finding the Fourth Proportional to 11,630.58, 17,445.78 and 3,839.37

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Solution

The fourth proportional to 11,630.58, 17,445.78 and 3,839.37 is: 5,759.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,630.58 : 17,445.78 = 3,839.37 : x
  2. Step 2: Convert to fraction form
    11,630.58/17,445.78 = 3,839.37/x
  3. Step 3: Cross multiply
    11,630.58x = 17,445.78 × 3,839.37
  4. Step 4: Simplify right side
    11,630.58x = 66,980,804.36
  5. Step 5: Solve for x
    x = 66,980,804.36/11,630.58
  6. Step 6: Final answer
    x = 5,759.03

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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.