Home / 20,293.44-30,440.04-7,144.24

Finding the Fourth Proportional to 20,293.44, 30,440.04 and 7,144.24

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Solution

The fourth proportional to 20,293.44, 30,440.04 and 7,144.24 is: 10,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.44 : 30,440.04 = 7,144.24 : x
  2. Step 2: Convert to fraction form
    20,293.44/30,440.04 = 7,144.24/x
  3. Step 3: Cross multiply
    20,293.44x = 30,440.04 × 7,144.24
  4. Step 4: Simplify right side
    20,293.44x = 217,470,951.37
  5. Step 5: Solve for x
    x = 217,470,951.37/20,293.44
  6. Step 6: Final answer
    x = 10,716.32

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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.