Home / 12,183.03-18,276.45-5,163.06

Finding the Fourth Proportional to 12,183.03, 18,276.45 and 5,163.06

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Solution

The fourth proportional to 12,183.03, 18,276.45 and 5,163.06 is: 7,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.03 : 18,276.45 = 5,163.06 : x
  2. Step 2: Convert to fraction form
    12,183.03/18,276.45 = 5,163.06/x
  3. Step 3: Cross multiply
    12,183.03x = 18,276.45 × 5,163.06
  4. Step 4: Simplify right side
    12,183.03x = 94,362,407.94
  5. Step 5: Solve for x
    x = 94,362,407.94/12,183.03
  6. Step 6: Final answer
    x = 7,745.40

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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.