Home / 18,002.22-27,008.34-5,522.65

Finding the Fourth Proportional to 18,002.22, 27,008.34 and 5,522.65

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Solution

The fourth proportional to 18,002.22, 27,008.34 and 5,522.65 is: 8,285.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002.22 : 27,008.34 = 5,522.65 : x
  2. Step 2: Convert to fraction form
    18,002.22/27,008.34 = 5,522.65/x
  3. Step 3: Cross multiply
    18,002.22x = 27,008.34 × 5,522.65
  4. Step 4: Simplify right side
    18,002.22x = 149,157,520.67
  5. Step 5: Solve for x
    x = 149,157,520.67/18,002.22
  6. Step 6: Final answer
    x = 8,285.51

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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.