Home / 10,936.22-16,406.93-3,540.68

Finding the Fourth Proportional to 10,936.22, 16,406.93 and 3,540.68

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Solution

The fourth proportional to 10,936.22, 16,406.93 and 3,540.68 is: 5,311.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.22 : 16,406.93 = 3,540.68 : x
  2. Step 2: Convert to fraction form
    10,936.22/16,406.93 = 3,540.68/x
  3. Step 3: Cross multiply
    10,936.22x = 16,406.93 × 3,540.68
  4. Step 4: Simplify right side
    10,936.22x = 58,091,688.91
  5. Step 5: Solve for x
    x = 58,091,688.91/10,936.22
  6. Step 6: Final answer
    x = 5,311.86

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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.