Home / 11,485.26-17,211.69-4,909.14

Finding the Fourth Proportional to 11,485.26, 17,211.69 and 4,909.14

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Solution

The fourth proportional to 11,485.26, 17,211.69 and 4,909.14 is: 7,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,485.26 : 17,211.69 = 4,909.14 : x
  2. Step 2: Convert to fraction form
    11,485.26/17,211.69 = 4,909.14/x
  3. Step 3: Cross multiply
    11,485.26x = 17,211.69 × 4,909.14
  4. Step 4: Simplify right side
    11,485.26x = 84,494,595.85
  5. Step 5: Solve for x
    x = 84,494,595.85/11,485.26
  6. Step 6: Final answer
    x = 7,356.79

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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.