Home / 13,716.86-20,571.22-5,819.27

Finding the Fourth Proportional to 13,716.86, 20,571.22 and 5,819.27

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Solution

The fourth proportional to 13,716.86, 20,571.22 and 5,819.27 is: 8,727.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.86 : 20,571.22 = 5,819.27 : x
  2. Step 2: Convert to fraction form
    13,716.86/20,571.22 = 5,819.27/x
  3. Step 3: Cross multiply
    13,716.86x = 20,571.22 × 5,819.27
  4. Step 4: Simplify right side
    13,716.86x = 119,709,355.09
  5. Step 5: Solve for x
    x = 119,709,355.09/13,716.86
  6. Step 6: Final answer
    x = 8,727.17

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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.