Home / 11,992.67-16,535.17-9,860.75

Finding the Fourth Proportional to 11,992.67, 16,535.17 and 9,860.75

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Solution

The fourth proportional to 11,992.67, 16,535.17 and 9,860.75 is: 13,595.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.67 : 16,535.17 = 9,860.75 : x
  2. Step 2: Convert to fraction form
    11,992.67/16,535.17 = 9,860.75/x
  3. Step 3: Cross multiply
    11,992.67x = 16,535.17 × 9,860.75
  4. Step 4: Simplify right side
    11,992.67x = 163,049,177.58
  5. Step 5: Solve for x
    x = 163,049,177.58/11,992.67
  6. Step 6: Final answer
    x = 13,595.74

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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.