Home / 13,684.14-20,493.63-8,738.46

Finding the Fourth Proportional to 13,684.14, 20,493.63 and 8,738.46

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Solution

The fourth proportional to 13,684.14, 20,493.63 and 8,738.46 is: 13,086.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684.14 : 20,493.63 = 8,738.46 : x
  2. Step 2: Convert to fraction form
    13,684.14/20,493.63 = 8,738.46/x
  3. Step 3: Cross multiply
    13,684.14x = 20,493.63 × 8,738.46
  4. Step 4: Simplify right side
    13,684.14x = 179,082,766.01
  5. Step 5: Solve for x
    x = 179,082,766.01/13,684.14
  6. Step 6: Final answer
    x = 13,086.88

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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.