Home / 11,991.36-17,986.96-4,094.77

Finding the Fourth Proportional to 11,991.36, 17,986.96 and 4,094.77

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Solution

The fourth proportional to 11,991.36, 17,986.96 and 4,094.77 is: 6,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991.36 : 17,986.96 = 4,094.77 : x
  2. Step 2: Convert to fraction form
    11,991.36/17,986.96 = 4,094.77/x
  3. Step 3: Cross multiply
    11,991.36x = 17,986.96 × 4,094.77
  4. Step 4: Simplify right side
    11,991.36x = 73,652,464.20
  5. Step 5: Solve for x
    x = 73,652,464.20/11,991.36
  6. Step 6: Final answer
    x = 6,142.13

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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.