Home / 11,884.72-16,418.28-9,383.44

Finding the Fourth Proportional to 11,884.72, 16,418.28 and 9,383.44

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Solution

The fourth proportional to 11,884.72, 16,418.28 and 9,383.44 is: 12,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.72 : 16,418.28 = 9,383.44 : x
  2. Step 2: Convert to fraction form
    11,884.72/16,418.28 = 9,383.44/x
  3. Step 3: Cross multiply
    11,884.72x = 16,418.28 × 9,383.44
  4. Step 4: Simplify right side
    11,884.72x = 154,059,945.28
  5. Step 5: Solve for x
    x = 154,059,945.28/11,884.72
  6. Step 6: Final answer
    x = 12,962.86

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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.