Home / 11,992.60-16,542.66-9,335.80

Finding the Fourth Proportional to 11,992.60, 16,542.66 and 9,335.80

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Solution

The fourth proportional to 11,992.60, 16,542.66 and 9,335.80 is: 12,877.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.60 : 16,542.66 = 9,335.80 : x
  2. Step 2: Convert to fraction form
    11,992.60/16,542.66 = 9,335.80/x
  3. Step 3: Cross multiply
    11,992.60x = 16,542.66 × 9,335.80
  4. Step 4: Simplify right side
    11,992.60x = 154,438,965.23
  5. Step 5: Solve for x
    x = 154,438,965.23/11,992.60
  6. Step 6: Final answer
    x = 12,877.86

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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.