Home / 20,227.66-30,336.63-10,361.86

Finding the Fourth Proportional to 20,227.66, 30,336.63 and 10,361.86

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Solution

The fourth proportional to 20,227.66, 30,336.63 and 10,361.86 is: 15,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.66 : 30,336.63 = 10,361.86 : x
  2. Step 2: Convert to fraction form
    20,227.66/30,336.63 = 10,361.86/x
  3. Step 3: Cross multiply
    20,227.66x = 30,336.63 × 10,361.86
  4. Step 4: Simplify right side
    20,227.66x = 314,343,912.93
  5. Step 5: Solve for x
    x = 314,343,912.93/20,227.66
  6. Step 6: Final answer
    x = 15,540.30

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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.