Home / 20,188.56-30,249.24-7,033.68

Finding the Fourth Proportional to 20,188.56, 30,249.24 and 7,033.68

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Solution

The fourth proportional to 20,188.56, 30,249.24 and 7,033.68 is: 10,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188.56 : 30,249.24 = 7,033.68 : x
  2. Step 2: Convert to fraction form
    20,188.56/30,249.24 = 7,033.68/x
  3. Step 3: Cross multiply
    20,188.56x = 30,249.24 × 7,033.68
  4. Step 4: Simplify right side
    20,188.56x = 212,763,474.40
  5. Step 5: Solve for x
    x = 212,763,474.40/20,188.56
  6. Step 6: Final answer
    x = 10,538.81

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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.