Home / 18,010.31-27,016.61-7,481.19

Finding the Fourth Proportional to 18,010.31, 27,016.61 and 7,481.19

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Solution

The fourth proportional to 18,010.31, 27,016.61 and 7,481.19 is: 11,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010.31 : 27,016.61 = 7,481.19 : x
  2. Step 2: Convert to fraction form
    18,010.31/27,016.61 = 7,481.19/x
  3. Step 3: Cross multiply
    18,010.31x = 27,016.61 × 7,481.19
  4. Step 4: Simplify right side
    18,010.31x = 202,116,305.28
  5. Step 5: Solve for x
    x = 202,116,305.28/18,010.31
  6. Step 6: Final answer
    x = 11,222.26

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1.5x scale

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.