Home / 13,311.58-19,961.72-5,910.97

Finding the Fourth Proportional to 13,311.58, 19,961.72 and 5,910.97

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Solution

The fourth proportional to 13,311.58, 19,961.72 and 5,910.97 is: 8,863.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311.58 : 19,961.72 = 5,910.97 : x
  2. Step 2: Convert to fraction form
    13,311.58/19,961.72 = 5,910.97/x
  3. Step 3: Cross multiply
    13,311.58x = 19,961.72 × 5,910.97
  4. Step 4: Simplify right side
    13,311.58x = 117,992,998.70
  5. Step 5: Solve for x
    x = 117,992,998.70/13,311.58
  6. Step 6: Final answer
    x = 8,863.94

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1.5x scale

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.