Home / 11,660.13-16,081.27-8,467.11

Finding the Fourth Proportional to 11,660.13, 16,081.27 and 8,467.11

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Solution

The fourth proportional to 11,660.13, 16,081.27 and 8,467.11 is: 11,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.13 : 16,081.27 = 8,467.11 : x
  2. Step 2: Convert to fraction form
    11,660.13/16,081.27 = 8,467.11/x
  3. Step 3: Cross multiply
    11,660.13x = 16,081.27 × 8,467.11
  4. Step 4: Simplify right side
    11,660.13x = 136,161,860.86
  5. Step 5: Solve for x
    x = 136,161,860.86/11,660.13
  6. Step 6: Final answer
    x = 11,677.56

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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.