Home / 11,928.60-17,893.71-3,163.19

Finding the Fourth Proportional to 11,928.60, 17,893.71 and 3,163.19

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Solution

The fourth proportional to 11,928.60, 17,893.71 and 3,163.19 is: 4,744.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.60 : 17,893.71 = 3,163.19 : x
  2. Step 2: Convert to fraction form
    11,928.60/17,893.71 = 3,163.19/x
  3. Step 3: Cross multiply
    11,928.60x = 17,893.71 × 3,163.19
  4. Step 4: Simplify right side
    11,928.60x = 56,601,115.07
  5. Step 5: Solve for x
    x = 56,601,115.07/11,928.60
  6. Step 6: Final answer
    x = 4,744.99

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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.