Home / 11,380.33-17,070.50-3,589.75

Finding the Fourth Proportional to 11,380.33, 17,070.50 and 3,589.75

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Solution

The fourth proportional to 11,380.33, 17,070.50 and 3,589.75 is: 5,384.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.33 : 17,070.50 = 3,589.75 : x
  2. Step 2: Convert to fraction form
    11,380.33/17,070.50 = 3,589.75/x
  3. Step 3: Cross multiply
    11,380.33x = 17,070.50 × 3,589.75
  4. Step 4: Simplify right side
    11,380.33x = 61,278,827.38
  5. Step 5: Solve for x
    x = 61,278,827.38/11,380.33
  6. Step 6: Final answer
    x = 5,384.63

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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.