Home / 13,684.23-20,529.99-4,919.22

Finding the Fourth Proportional to 13,684.23, 20,529.99 and 4,919.22

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Solution

The fourth proportional to 13,684.23, 20,529.99 and 4,919.22 is: 7,380.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684.23 : 20,529.99 = 4,919.22 : x
  2. Step 2: Convert to fraction form
    13,684.23/20,529.99 = 4,919.22/x
  3. Step 3: Cross multiply
    13,684.23x = 20,529.99 × 4,919.22
  4. Step 4: Simplify right side
    13,684.23x = 100,991,537.41
  5. Step 5: Solve for x
    x = 100,991,537.41/13,684.23
  6. Step 6: Final answer
    x = 7,380.14

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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.