Home / 11,620.95-17,434.14-3,829.75

Finding the Fourth Proportional to 11,620.95, 17,434.14 and 3,829.75

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Solution

The fourth proportional to 11,620.95, 17,434.14 and 3,829.75 is: 5,745.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.95 : 17,434.14 = 3,829.75 : x
  2. Step 2: Convert to fraction form
    11,620.95/17,434.14 = 3,829.75/x
  3. Step 3: Cross multiply
    11,620.95x = 17,434.14 × 3,829.75
  4. Step 4: Simplify right side
    11,620.95x = 66,768,397.67
  5. Step 5: Solve for x
    x = 66,768,397.67/11,620.95
  6. Step 6: Final answer
    x = 5,745.52

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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.