Home / 13,584.99-20,380.41-4,224.82

Finding the Fourth Proportional to 13,584.99, 20,380.41 and 4,224.82

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Solution

The fourth proportional to 13,584.99, 20,380.41 and 4,224.82 is: 6,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.99 : 20,380.41 = 4,224.82 : x
  2. Step 2: Convert to fraction form
    13,584.99/20,380.41 = 4,224.82/x
  3. Step 3: Cross multiply
    13,584.99x = 20,380.41 × 4,224.82
  4. Step 4: Simplify right side
    13,584.99x = 86,103,563.78
  5. Step 5: Solve for x
    x = 86,103,563.78/13,584.99
  6. Step 6: Final answer
    x = 6,338.14

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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.