Home / 11,306.86-16,961.55-3,911.98

Finding the Fourth Proportional to 11,306.86, 16,961.55 and 3,911.98

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Solution

The fourth proportional to 11,306.86, 16,961.55 and 3,911.98 is: 5,868.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.86 : 16,961.55 = 3,911.98 : x
  2. Step 2: Convert to fraction form
    11,306.86/16,961.55 = 3,911.98/x
  3. Step 3: Cross multiply
    11,306.86x = 16,961.55 × 3,911.98
  4. Step 4: Simplify right side
    11,306.86x = 66,353,244.37
  5. Step 5: Solve for x
    x = 66,353,244.37/11,306.86
  6. Step 6: Final answer
    x = 5,868.41

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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.