Home / 18,311.09-27,466.68-5,163.53

Finding the Fourth Proportional to 18,311.09, 27,466.68 and 5,163.53

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Solution

The fourth proportional to 18,311.09, 27,466.68 and 5,163.53 is: 7,745.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.09 : 27,466.68 = 5,163.53 : x
  2. Step 2: Convert to fraction form
    18,311.09/27,466.68 = 5,163.53/x
  3. Step 3: Cross multiply
    18,311.09x = 27,466.68 × 5,163.53
  4. Step 4: Simplify right side
    18,311.09x = 141,825,026.18
  5. Step 5: Solve for x
    x = 141,825,026.18/18,311.09
  6. Step 6: Final answer
    x = 7,745.31

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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.