Home / 11,447.74-17,142.42-5,589

Finding the Fourth Proportional to 11,447.74, 17,142.42 and 5,589

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Solution

The fourth proportional to 11,447.74, 17,142.42 and 5,589 is: 8,369.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.74 : 17,142.42 = 5,589 : x
  2. Step 2: Convert to fraction form
    11,447.74/17,142.42 = 5,589/x
  3. Step 3: Cross multiply
    11,447.74x = 17,142.42 × 5,589
  4. Step 4: Simplify right side
    11,447.74x = 95,808,985.38
  5. Step 5: Solve for x
    x = 95,808,985.38/11,447.74
  6. Step 6: Final answer
    x = 8,369.25

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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.