Home / 20,163.86-30,251.93-10,310.06

Finding the Fourth Proportional to 20,163.86, 30,251.93 and 10,310.06

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Solution

The fourth proportional to 20,163.86, 30,251.93 and 10,310.06 is: 15,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163.86 : 30,251.93 = 10,310.06 : x
  2. Step 2: Convert to fraction form
    20,163.86/30,251.93 = 10,310.06/x
  3. Step 3: Cross multiply
    20,163.86x = 30,251.93 × 10,310.06
  4. Step 4: Simplify right side
    20,163.86x = 311,899,087.93
  5. Step 5: Solve for x
    x = 311,899,087.93/20,163.86
  6. Step 6: Final answer
    x = 15,468.23

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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.