Home / 18,213.03-27,323.19-5,736.20

Finding the Fourth Proportional to 18,213.03, 27,323.19 and 5,736.20

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Solution

The fourth proportional to 18,213.03, 27,323.19 and 5,736.20 is: 8,605.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.03 : 27,323.19 = 5,736.20 : x
  2. Step 2: Convert to fraction form
    18,213.03/27,323.19 = 5,736.20/x
  3. Step 3: Cross multiply
    18,213.03x = 27,323.19 × 5,736.20
  4. Step 4: Simplify right side
    18,213.03x = 156,731,145.86
  5. Step 5: Solve for x
    x = 156,731,145.86/18,213.03
  6. Step 6: Final answer
    x = 8,605.44

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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.