Home / 11,136.36-16,704.70-3,639.88

Finding the Fourth Proportional to 11,136.36, 16,704.70 and 3,639.88

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Solution

The fourth proportional to 11,136.36, 16,704.70 and 3,639.88 is: 5,459.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.36 : 16,704.70 = 3,639.88 : x
  2. Step 2: Convert to fraction form
    11,136.36/16,704.70 = 3,639.88/x
  3. Step 3: Cross multiply
    11,136.36x = 16,704.70 × 3,639.88
  4. Step 4: Simplify right side
    11,136.36x = 60,803,103.44
  5. Step 5: Solve for x
    x = 60,803,103.44/11,136.36
  6. Step 6: Final answer
    x = 5,459.87

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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.