Home / 11,945.26-17,917.82-4,154

Finding the Fourth Proportional to 11,945.26, 17,917.82 and 4,154

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Solution

The fourth proportional to 11,945.26, 17,917.82 and 4,154 is: 6,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.26 : 17,917.82 = 4,154 : x
  2. Step 2: Convert to fraction form
    11,945.26/17,917.82 = 4,154/x
  3. Step 3: Cross multiply
    11,945.26x = 17,917.82 × 4,154
  4. Step 4: Simplify right side
    11,945.26x = 74,430,603.51
  5. Step 5: Solve for x
    x = 74,430,603.51/11,945.26
  6. Step 6: Final answer
    x = 6,230.98

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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.