Home / 18,247.11-25,183.77-13,209.48

Finding the Fourth Proportional to 18,247.11, 25,183.77 and 13,209.48

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Solution

The fourth proportional to 18,247.11, 25,183.77 and 13,209.48 is: 18,231.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.11 : 25,183.77 = 13,209.48 : x
  2. Step 2: Convert to fraction form
    18,247.11/25,183.77 = 13,209.48/x
  3. Step 3: Cross multiply
    18,247.11x = 25,183.77 × 13,209.48
  4. Step 4: Simplify right side
    18,247.11x = 332,664,506.14
  5. Step 5: Solve for x
    x = 332,664,506.14/18,247.11
  6. Step 6: Final answer
    x = 18,231.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.