Home / 18,112.56-27,171.05-5,633.25

Finding the Fourth Proportional to 18,112.56, 27,171.05 and 5,633.25

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Solution

The fourth proportional to 18,112.56, 27,171.05 and 5,633.25 is: 8,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.56 : 27,171.05 = 5,633.25 : x
  2. Step 2: Convert to fraction form
    18,112.56/27,171.05 = 5,633.25/x
  3. Step 3: Cross multiply
    18,112.56x = 27,171.05 × 5,633.25
  4. Step 4: Simplify right side
    18,112.56x = 153,061,289.25
  5. Step 5: Solve for x
    x = 153,061,289.25/18,112.56
  6. Step 6: Final answer
    x = 8,450.56

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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.