Home / 11,890.26-17,835.48-3,125.25

Finding the Fourth Proportional to 11,890.26, 17,835.48 and 3,125.25

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Solution

The fourth proportional to 11,890.26, 17,835.48 and 3,125.25 is: 4,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.26 : 17,835.48 = 3,125.25 : x
  2. Step 2: Convert to fraction form
    11,890.26/17,835.48 = 3,125.25/x
  3. Step 3: Cross multiply
    11,890.26x = 17,835.48 × 3,125.25
  4. Step 4: Simplify right side
    11,890.26x = 55,740,333.87
  5. Step 5: Solve for x
    x = 55,740,333.87/11,890.26
  6. Step 6: Final answer
    x = 4,687.90

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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.