Home / 13,523.17-20,286.68-4,163.97

Finding the Fourth Proportional to 13,523.17, 20,286.68 and 4,163.97

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Solution

The fourth proportional to 13,523.17, 20,286.68 and 4,163.97 is: 6,246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523.17 : 20,286.68 = 4,163.97 : x
  2. Step 2: Convert to fraction form
    13,523.17/20,286.68 = 4,163.97/x
  3. Step 3: Cross multiply
    13,523.17x = 20,286.68 × 4,163.97
  4. Step 4: Simplify right side
    13,523.17x = 84,473,106.10
  5. Step 5: Solve for x
    x = 84,473,106.10/13,523.17
  6. Step 6: Final answer
    x = 6,246.55

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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.