Home / 20,327.36-30,494.88-6,286.82

Finding the Fourth Proportional to 20,327.36, 30,494.88 and 6,286.82

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Solution

The fourth proportional to 20,327.36, 30,494.88 and 6,286.82 is: 9,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,327.36 : 30,494.88 = 6,286.82 : x
  2. Step 2: Convert to fraction form
    20,327.36/30,494.88 = 6,286.82/x
  3. Step 3: Cross multiply
    20,327.36x = 30,494.88 × 6,286.82
  4. Step 4: Simplify right side
    20,327.36x = 191,715,669.01
  5. Step 5: Solve for x
    x = 191,715,669.01/20,327.36
  6. Step 6: Final answer
    x = 9,431.41

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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.