Home / 11,998.13-17,997.74-3,677.54

Finding the Fourth Proportional to 11,998.13, 17,997.74 and 3,677.54

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Solution

The fourth proportional to 11,998.13, 17,997.74 and 3,677.54 is: 5,516.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.13 : 17,997.74 = 3,677.54 : x
  2. Step 2: Convert to fraction form
    11,998.13/17,997.74 = 3,677.54/x
  3. Step 3: Cross multiply
    11,998.13x = 17,997.74 × 3,677.54
  4. Step 4: Simplify right side
    11,998.13x = 66,187,408.76
  5. Step 5: Solve for x
    x = 66,187,408.76/11,998.13
  6. Step 6: Final answer
    x = 5,516.48

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1.5x scale

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.