Home / 12,183.08-18,268.86-5,607.32

Finding the Fourth Proportional to 12,183.08, 18,268.86 and 5,607.32

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Solution

The fourth proportional to 12,183.08, 18,268.86 and 5,607.32 is: 8,408.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.08 : 18,268.86 = 5,607.32 : x
  2. Step 2: Convert to fraction form
    12,183.08/18,268.86 = 5,607.32/x
  3. Step 3: Cross multiply
    12,183.08x = 18,268.86 × 5,607.32
  4. Step 4: Simplify right side
    12,183.08x = 102,439,344.06
  5. Step 5: Solve for x
    x = 102,439,344.06/12,183.08
  6. Step 6: Final answer
    x = 8,408.33

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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.