Home / 18,365.82-27,544.41-9,129.66

Finding the Fourth Proportional to 18,365.82, 27,544.41 and 9,129.66

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Solution

The fourth proportional to 18,365.82, 27,544.41 and 9,129.66 is: 13,692.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365.82 : 27,544.41 = 9,129.66 : x
  2. Step 2: Convert to fraction form
    18,365.82/27,544.41 = 9,129.66/x
  3. Step 3: Cross multiply
    18,365.82x = 27,544.41 × 9,129.66
  4. Step 4: Simplify right side
    18,365.82x = 251,471,098.20
  5. Step 5: Solve for x
    x = 251,471,098.20/18,365.82
  6. Step 6: Final answer
    x = 13,692.34

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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.