Home / 12,183.02-18,268.77-5,607.26

Finding the Fourth Proportional to 12,183.02, 18,268.77 and 5,607.26

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Solution

The fourth proportional to 12,183.02, 18,268.77 and 5,607.26 is: 8,408.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.02 : 18,268.77 = 5,607.26 : x
  2. Step 2: Convert to fraction form
    12,183.02/18,268.77 = 5,607.26/x
  3. Step 3: Cross multiply
    12,183.02x = 18,268.77 × 5,607.26
  4. Step 4: Simplify right side
    12,183.02x = 102,437,669.56
  5. Step 5: Solve for x
    x = 102,437,669.56/12,183.02
  6. Step 6: Final answer
    x = 8,408.23

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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.