Home / 9,163.47-13,745.21-2,589.11

Finding the Fourth Proportional to 9,163.47, 13,745.21 and 2,589.11

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Solution

The fourth proportional to 9,163.47, 13,745.21 and 2,589.11 is: 3,883.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.47 : 13,745.21 = 2,589.11 : x
  2. Step 2: Convert to fraction form
    9,163.47/13,745.21 = 2,589.11/x
  3. Step 3: Cross multiply
    9,163.47x = 13,745.21 × 2,589.11
  4. Step 4: Simplify right side
    9,163.47x = 35,587,778.99
  5. Step 5: Solve for x
    x = 35,587,778.99/9,163.47
  6. Step 6: Final answer
    x = 3,883.66

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Double scale
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Similar ratio
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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.