Home / 11,684.11-17,519.90-5,447.06

Finding the Fourth Proportional to 11,684.11, 17,519.90 and 5,447.06

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Solution

The fourth proportional to 11,684.11, 17,519.90 and 5,447.06 is: 8,167.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684.11 : 17,519.90 = 5,447.06 : x
  2. Step 2: Convert to fraction form
    11,684.11/17,519.90 = 5,447.06/x
  3. Step 3: Cross multiply
    11,684.11x = 17,519.90 × 5,447.06
  4. Step 4: Simplify right side
    11,684.11x = 95,431,872.51
  5. Step 5: Solve for x
    x = 95,431,872.51/11,684.11
  6. Step 6: Final answer
    x = 8,167.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.