Home / 13,525.75-20,286.08-3,663.73

Finding the Fourth Proportional to 13,525.75, 20,286.08 and 3,663.73

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Solution

The fourth proportional to 13,525.75, 20,286.08 and 3,663.73 is: 5,494.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.75 : 20,286.08 = 3,663.73 : x
  2. Step 2: Convert to fraction form
    13,525.75/20,286.08 = 3,663.73/x
  3. Step 3: Cross multiply
    13,525.75x = 20,286.08 × 3,663.73
  4. Step 4: Simplify right side
    13,525.75x = 74,322,740.66
  5. Step 5: Solve for x
    x = 74,322,740.66/13,525.75
  6. Step 6: Final answer
    x = 5,494.91

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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.