Home / 18,179.67-27,268.73-5,699.42

Finding the Fourth Proportional to 18,179.67, 27,268.73 and 5,699.42

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Solution

The fourth proportional to 18,179.67, 27,268.73 and 5,699.42 is: 8,548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.67 : 27,268.73 = 5,699.42 : x
  2. Step 2: Convert to fraction form
    18,179.67/27,268.73 = 5,699.42/x
  3. Step 3: Cross multiply
    18,179.67x = 27,268.73 × 5,699.42
  4. Step 4: Simplify right side
    18,179.67x = 155,415,945.14
  5. Step 5: Solve for x
    x = 155,415,945.14/18,179.67
  6. Step 6: Final answer
    x = 8,548.89

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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.