Home / 11,110.75-16,651.91-4,869.09

Finding the Fourth Proportional to 11,110.75, 16,651.91 and 4,869.09

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Solution

The fourth proportional to 11,110.75, 16,651.91 and 4,869.09 is: 7,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.75 : 16,651.91 = 4,869.09 : x
  2. Step 2: Convert to fraction form
    11,110.75/16,651.91 = 4,869.09/x
  3. Step 3: Cross multiply
    11,110.75x = 16,651.91 × 4,869.09
  4. Step 4: Simplify right side
    11,110.75x = 81,079,540.86
  5. Step 5: Solve for x
    x = 81,079,540.86/11,110.75
  6. Step 6: Final answer
    x = 7,297.40

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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.