Home / 11,327.21-16,990.81-3,536.69

Finding the Fourth Proportional to 11,327.21, 16,990.81 and 3,536.69

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Solution

The fourth proportional to 11,327.21, 16,990.81 and 3,536.69 is: 5,305.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.21 : 16,990.81 = 3,536.69 : x
  2. Step 2: Convert to fraction form
    11,327.21/16,990.81 = 3,536.69/x
  3. Step 3: Cross multiply
    11,327.21x = 16,990.81 × 3,536.69
  4. Step 4: Simplify right side
    11,327.21x = 60,091,134.02
  5. Step 5: Solve for x
    x = 60,091,134.02/11,327.21
  6. Step 6: Final answer
    x = 5,305.03

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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.