Home / 11,811.73-16,301.34-8,822.38

Finding the Fourth Proportional to 11,811.73, 16,301.34 and 8,822.38

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Solution

The fourth proportional to 11,811.73, 16,301.34 and 8,822.38 is: 12,175.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.73 : 16,301.34 = 8,822.38 : x
  2. Step 2: Convert to fraction form
    11,811.73/16,301.34 = 8,822.38/x
  3. Step 3: Cross multiply
    11,811.73x = 16,301.34 × 8,822.38
  4. Step 4: Simplify right side
    11,811.73x = 143,816,615.99
  5. Step 5: Solve for x
    x = 143,816,615.99/11,811.73
  6. Step 6: Final answer
    x = 12,175.75

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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.