Home / 11,977.12-17,961.36-5,052.16

Finding the Fourth Proportional to 11,977.12, 17,961.36 and 5,052.16

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Solution

The fourth proportional to 11,977.12, 17,961.36 and 5,052.16 is: 7,576.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.12 : 17,961.36 = 5,052.16 : x
  2. Step 2: Convert to fraction form
    11,977.12/17,961.36 = 5,052.16/x
  3. Step 3: Cross multiply
    11,977.12x = 17,961.36 × 5,052.16
  4. Step 4: Simplify right side
    11,977.12x = 90,743,664.54
  5. Step 5: Solve for x
    x = 90,743,664.54/11,977.12
  6. Step 6: Final answer
    x = 7,576.42

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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.