Home / 13,183.23-18,173.92-9,399.82

Finding the Fourth Proportional to 13,183.23, 18,173.92 and 9,399.82

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Solution

The fourth proportional to 13,183.23, 18,173.92 and 9,399.82 is: 12,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.23 : 18,173.92 = 9,399.82 : x
  2. Step 2: Convert to fraction form
    13,183.23/18,173.92 = 9,399.82/x
  3. Step 3: Cross multiply
    13,183.23x = 18,173.92 × 9,399.82
  4. Step 4: Simplify right side
    13,183.23x = 170,831,610.57
  5. Step 5: Solve for x
    x = 170,831,610.57/13,183.23
  6. Step 6: Final answer
    x = 12,958.25

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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.