Home / 13,584.81-20,380.29-4,819.73

Finding the Fourth Proportional to 13,584.81, 20,380.29 and 4,819.73

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Solution

The fourth proportional to 13,584.81, 20,380.29 and 4,819.73 is: 7,230.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.81 : 20,380.29 = 4,819.73 : x
  2. Step 2: Convert to fraction form
    13,584.81/20,380.29 = 4,819.73/x
  3. Step 3: Cross multiply
    13,584.81x = 20,380.29 × 4,819.73
  4. Step 4: Simplify right side
    13,584.81x = 98,227,471.02
  5. Step 5: Solve for x
    x = 98,227,471.02/13,584.81
  6. Step 6: Final answer
    x = 7,230.68

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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.