Home / 20,238.52-30,361.44-9,150.43

Finding the Fourth Proportional to 20,238.52, 30,361.44 and 9,150.43

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Solution

The fourth proportional to 20,238.52, 30,361.44 and 9,150.43 is: 13,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,238.52 : 30,361.44 = 9,150.43 : x
  2. Step 2: Convert to fraction form
    20,238.52/30,361.44 = 9,150.43/x
  3. Step 3: Cross multiply
    20,238.52x = 30,361.44 × 9,150.43
  4. Step 4: Simplify right side
    20,238.52x = 277,820,231.42
  5. Step 5: Solve for x
    x = 277,820,231.42/20,238.52
  6. Step 6: Final answer
    x = 13,727.30

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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.