Home / 18,183.10-27,289.22-9,420.52

Finding the Fourth Proportional to 18,183.10, 27,289.22 and 9,420.52

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Solution

The fourth proportional to 18,183.10, 27,289.22 and 9,420.52 is: 14,138.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.10 : 27,289.22 = 9,420.52 : x
  2. Step 2: Convert to fraction form
    18,183.10/27,289.22 = 9,420.52/x
  3. Step 3: Cross multiply
    18,183.10x = 27,289.22 × 9,420.52
  4. Step 4: Simplify right side
    18,183.10x = 257,078,642.79
  5. Step 5: Solve for x
    x = 257,078,642.79/18,183.10
  6. Step 6: Final answer
    x = 14,138.33

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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.