Home / 13,504.73-20,255.40-3,644.73

Finding the Fourth Proportional to 13,504.73, 20,255.40 and 3,644.73

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Solution

The fourth proportional to 13,504.73, 20,255.40 and 3,644.73 is: 5,466.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504.73 : 20,255.40 = 3,644.73 : x
  2. Step 2: Convert to fraction form
    13,504.73/20,255.40 = 3,644.73/x
  3. Step 3: Cross multiply
    13,504.73x = 20,255.40 × 3,644.73
  4. Step 4: Simplify right side
    13,504.73x = 73,825,464.04
  5. Step 5: Solve for x
    x = 73,825,464.04/13,504.73
  6. Step 6: Final answer
    x = 5,466.64

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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.