Home / 13,092.12-18,067.43-7,427.25

Finding the Fourth Proportional to 13,092.12, 18,067.43 and 7,427.25

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Solution

The fourth proportional to 13,092.12, 18,067.43 and 7,427.25 is: 10,249.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.12 : 18,067.43 = 7,427.25 : x
  2. Step 2: Convert to fraction form
    13,092.12/18,067.43 = 7,427.25/x
  3. Step 3: Cross multiply
    13,092.12x = 18,067.43 × 7,427.25
  4. Step 4: Simplify right side
    13,092.12x = 134,191,319.47
  5. Step 5: Solve for x
    x = 134,191,319.47/13,092.12
  6. Step 6: Final answer
    x = 10,249.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.