Home / 11,631.75-17,449.88-4,968.15

Finding the Fourth Proportional to 11,631.75, 17,449.88 and 4,968.15

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Solution

The fourth proportional to 11,631.75, 17,449.88 and 4,968.15 is: 7,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.75 : 17,449.88 = 4,968.15 : x
  2. Step 2: Convert to fraction form
    11,631.75/17,449.88 = 4,968.15/x
  3. Step 3: Cross multiply
    11,631.75x = 17,449.88 × 4,968.15
  4. Step 4: Simplify right side
    11,631.75x = 86,693,596.48
  5. Step 5: Solve for x
    x = 86,693,596.48/11,631.75
  6. Step 6: Final answer
    x = 7,453.19

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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.