Home / 18,427.25-27,645.20-6,115.25

Finding the Fourth Proportional to 18,427.25, 27,645.20 and 6,115.25

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Solution

The fourth proportional to 18,427.25, 27,645.20 and 6,115.25 is: 9,174.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.25 : 27,645.20 = 6,115.25 : x
  2. Step 2: Convert to fraction form
    18,427.25/27,645.20 = 6,115.25/x
  3. Step 3: Cross multiply
    18,427.25x = 27,645.20 × 6,115.25
  4. Step 4: Simplify right side
    18,427.25x = 169,057,309.30
  5. Step 5: Solve for x
    x = 169,057,309.30/18,427.25
  6. Step 6: Final answer
    x = 9,174.31

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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.