Home / 19,914.31-27,481.54-10,961.62

Finding the Fourth Proportional to 19,914.31, 27,481.54 and 10,961.62

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Solution

The fourth proportional to 19,914.31, 27,481.54 and 10,961.62 is: 15,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.31 : 27,481.54 = 10,961.62 : x
  2. Step 2: Convert to fraction form
    19,914.31/27,481.54 = 10,961.62/x
  3. Step 3: Cross multiply
    19,914.31x = 27,481.54 × 10,961.62
  4. Step 4: Simplify right side
    19,914.31x = 301,242,171.09
  5. Step 5: Solve for x
    x = 301,242,171.09/19,914.31
  6. Step 6: Final answer
    x = 15,126.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.