Home / 20,272.57-30,408.55-6,232.79

Finding the Fourth Proportional to 20,272.57, 30,408.55 and 6,232.79

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Solution

The fourth proportional to 20,272.57, 30,408.55 and 6,232.79 is: 9,349.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,272.57 : 30,408.55 = 6,232.79 : x
  2. Step 2: Convert to fraction form
    20,272.57/30,408.55 = 6,232.79/x
  3. Step 3: Cross multiply
    20,272.57x = 30,408.55 × 6,232.79
  4. Step 4: Simplify right side
    20,272.57x = 189,530,106.35
  5. Step 5: Solve for x
    x = 189,530,106.35/20,272.57
  6. Step 6: Final answer
    x = 9,349.09

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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.