Home / 13,183.09-19,772.35-6,163.74

Finding the Fourth Proportional to 13,183.09, 19,772.35 and 6,163.74

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Solution

The fourth proportional to 13,183.09, 19,772.35 and 6,163.74 is: 9,244.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.09 : 19,772.35 = 6,163.74 : x
  2. Step 2: Convert to fraction form
    13,183.09/19,772.35 = 6,163.74/x
  3. Step 3: Cross multiply
    13,183.09x = 19,772.35 × 6,163.74
  4. Step 4: Simplify right side
    13,183.09x = 121,871,624.59
  5. Step 5: Solve for x
    x = 121,871,624.59/13,183.09
  6. Step 6: Final answer
    x = 9,244.54

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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.