Home / 13,554.53-20,286.68-10,249.43

Finding the Fourth Proportional to 13,554.53, 20,286.68 and 10,249.43

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Solution

The fourth proportional to 13,554.53, 20,286.68 and 10,249.43 is: 15,340.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.53 : 20,286.68 = 10,249.43 : x
  2. Step 2: Convert to fraction form
    13,554.53/20,286.68 = 10,249.43/x
  3. Step 3: Cross multiply
    13,554.53x = 20,286.68 × 10,249.43
  4. Step 4: Simplify right side
    13,554.53x = 207,926,753.91
  5. Step 5: Solve for x
    x = 207,926,753.91/13,554.53
  6. Step 6: Final answer
    x = 15,340.03

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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.