Home / 11,857.73-16,360.38-8,268.89

Finding the Fourth Proportional to 11,857.73, 16,360.38 and 8,268.89

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Solution

The fourth proportional to 11,857.73, 16,360.38 and 8,268.89 is: 11,408.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,857.73 : 16,360.38 = 8,268.89 : x
  2. Step 2: Convert to fraction form
    11,857.73/16,360.38 = 8,268.89/x
  3. Step 3: Cross multiply
    11,857.73x = 16,360.38 × 8,268.89
  4. Step 4: Simplify right side
    11,857.73x = 135,282,100.78
  5. Step 5: Solve for x
    x = 135,282,100.78/11,857.73
  6. Step 6: Final answer
    x = 11,408.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.