Home / 18,183.89-27,279.52-5,703.41

Finding the Fourth Proportional to 18,183.89, 27,279.52 and 5,703.41

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Solution

The fourth proportional to 18,183.89, 27,279.52 and 5,703.41 is: 8,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.89 : 27,279.52 = 5,703.41 : x
  2. Step 2: Convert to fraction form
    18,183.89/27,279.52 = 5,703.41/x
  3. Step 3: Cross multiply
    18,183.89x = 27,279.52 × 5,703.41
  4. Step 4: Simplify right side
    18,183.89x = 155,586,341.10
  5. Step 5: Solve for x
    x = 155,586,341.10/18,183.89
  6. Step 6: Final answer
    x = 8,556.27

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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.