Home / 18,010.98-27,016.56-5,530.86

Finding the Fourth Proportional to 18,010.98, 27,016.56 and 5,530.86

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Solution

The fourth proportional to 18,010.98, 27,016.56 and 5,530.86 is: 8,296.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010.98 : 27,016.56 = 5,530.86 : x
  2. Step 2: Convert to fraction form
    18,010.98/27,016.56 = 5,530.86/x
  3. Step 3: Cross multiply
    18,010.98x = 27,016.56 × 5,530.86
  4. Step 4: Simplify right side
    18,010.98x = 149,424,811.04
  5. Step 5: Solve for x
    x = 149,424,811.04/18,010.98
  6. Step 6: Final answer
    x = 8,296.32

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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.