Home / 20,563.26-30,773.61-12,662.25

Finding the Fourth Proportional to 20,563.26, 30,773.61 and 12,662.25

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Solution

The fourth proportional to 20,563.26, 30,773.61 and 12,662.25 is: 18,949.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,563.26 : 30,773.61 = 12,662.25 : x
  2. Step 2: Convert to fraction form
    20,563.26/30,773.61 = 12,662.25/x
  3. Step 3: Cross multiply
    20,563.26x = 30,773.61 × 12,662.25
  4. Step 4: Simplify right side
    20,563.26x = 389,663,143.22
  5. Step 5: Solve for x
    x = 389,663,143.22/20,563.26
  6. Step 6: Final answer
    x = 18,949.48

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1.5x scale

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.