Home / 13,917.62-20,879.84-4,558.14

Finding the Fourth Proportional to 13,917.62, 20,879.84 and 4,558.14

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Solution

The fourth proportional to 13,917.62, 20,879.84 and 4,558.14 is: 6,838.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.62 : 20,879.84 = 4,558.14 : x
  2. Step 2: Convert to fraction form
    13,917.62/20,879.84 = 4,558.14/x
  3. Step 3: Cross multiply
    13,917.62x = 20,879.84 × 4,558.14
  4. Step 4: Simplify right side
    13,917.62x = 95,173,245.29
  5. Step 5: Solve for x
    x = 95,173,245.29/13,917.62
  6. Step 6: Final answer
    x = 6,838.33

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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.