Home / 13,629.30-20,444.61-3,768.36

Finding the Fourth Proportional to 13,629.30, 20,444.61 and 3,768.36

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Solution

The fourth proportional to 13,629.30, 20,444.61 and 3,768.36 is: 5,652.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629.30 : 20,444.61 = 3,768.36 : x
  2. Step 2: Convert to fraction form
    13,629.30/20,444.61 = 3,768.36/x
  3. Step 3: Cross multiply
    13,629.30x = 20,444.61 × 3,768.36
  4. Step 4: Simplify right side
    13,629.30x = 77,042,650.54
  5. Step 5: Solve for x
    x = 77,042,650.54/13,629.30
  6. Step 6: Final answer
    x = 5,652.72

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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.