Home / 18,179.38-27,249.42-7,646.95

Finding the Fourth Proportional to 18,179.38, 27,249.42 and 7,646.95

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Solution

The fourth proportional to 18,179.38, 27,249.42 and 7,646.95 is: 11,462.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.38 : 27,249.42 = 7,646.95 : x
  2. Step 2: Convert to fraction form
    18,179.38/27,249.42 = 7,646.95/x
  3. Step 3: Cross multiply
    18,179.38x = 27,249.42 × 7,646.95
  4. Step 4: Simplify right side
    18,179.38x = 208,374,952.27
  5. Step 5: Solve for x
    x = 208,374,952.27/18,179.38
  6. Step 6: Final answer
    x = 11,462.16

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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.