Home / 20,410.20-30,586.10-11,626.97

Finding the Fourth Proportional to 20,410.20, 30,586.10 and 11,626.97

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Solution

The fourth proportional to 20,410.20, 30,586.10 and 11,626.97 is: 17,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,410.20 : 30,586.10 = 11,626.97 : x
  2. Step 2: Convert to fraction form
    20,410.20/30,586.10 = 11,626.97/x
  3. Step 3: Cross multiply
    20,410.20x = 30,586.10 × 11,626.97
  4. Step 4: Simplify right side
    20,410.20x = 355,623,456.05
  5. Step 5: Solve for x
    x = 355,623,456.05/20,410.20
  6. Step 6: Final answer
    x = 17,423.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.