Home / 11,813.29-16,286.01-8,450.23

Finding the Fourth Proportional to 11,813.29, 16,286.01 and 8,450.23

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Solution

The fourth proportional to 11,813.29, 16,286.01 and 8,450.23 is: 11,649.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.29 : 16,286.01 = 8,450.23 : x
  2. Step 2: Convert to fraction form
    11,813.29/16,286.01 = 8,450.23/x
  3. Step 3: Cross multiply
    11,813.29x = 16,286.01 × 8,450.23
  4. Step 4: Simplify right side
    11,813.29x = 137,620,530.28
  5. Step 5: Solve for x
    x = 137,620,530.28/11,813.29
  6. Step 6: Final answer
    x = 11,649.64

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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.