Home / 11,620.08-17,434.98-3,829.68

Finding the Fourth Proportional to 11,620.08, 17,434.98 and 3,829.68

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Solution

The fourth proportional to 11,620.08, 17,434.98 and 3,829.68 is: 5,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.08 : 17,434.98 = 3,829.68 : x
  2. Step 2: Convert to fraction form
    11,620.08/17,434.98 = 3,829.68/x
  3. Step 3: Cross multiply
    11,620.08x = 17,434.98 × 3,829.68
  4. Step 4: Simplify right side
    11,620.08x = 66,770,394.21
  5. Step 5: Solve for x
    x = 66,770,394.21/11,620.08
  6. Step 6: Final answer
    x = 5,746.12

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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.