Home / 18,311.22-27,469.67-6,466.55

Finding the Fourth Proportional to 18,311.22, 27,469.67 and 6,466.55

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Solution

The fourth proportional to 18,311.22, 27,469.67 and 6,466.55 is: 9,700.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.22 : 27,469.67 = 6,466.55 : x
  2. Step 2: Convert to fraction form
    18,311.22/27,469.67 = 6,466.55/x
  3. Step 3: Cross multiply
    18,311.22x = 27,469.67 × 6,466.55
  4. Step 4: Simplify right side
    18,311.22x = 177,633,824.86
  5. Step 5: Solve for x
    x = 177,633,824.86/18,311.22
  6. Step 6: Final answer
    x = 9,700.82

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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.