Home / 11,977.80-17,968.89-4,954.02

Finding the Fourth Proportional to 11,977.80, 17,968.89 and 4,954.02

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Solution

The fourth proportional to 11,977.80, 17,968.89 and 4,954.02 is: 7,431.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.80 : 17,968.89 = 4,954.02 : x
  2. Step 2: Convert to fraction form
    11,977.80/17,968.89 = 4,954.02/x
  3. Step 3: Cross multiply
    11,977.80x = 17,968.89 × 4,954.02
  4. Step 4: Simplify right side
    11,977.80x = 89,018,240.44
  5. Step 5: Solve for x
    x = 89,018,240.44/11,977.80
  6. Step 6: Final answer
    x = 7,431.94

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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.