Home / 19,735.38-27,231.39-11,777.13

Finding the Fourth Proportional to 19,735.38, 27,231.39 and 11,777.13

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Solution

The fourth proportional to 19,735.38, 27,231.39 and 11,777.13 is: 16,250.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,735.38 : 27,231.39 = 11,777.13 : x
  2. Step 2: Convert to fraction form
    19,735.38/27,231.39 = 11,777.13/x
  3. Step 3: Cross multiply
    19,735.38x = 27,231.39 × 11,777.13
  4. Step 4: Simplify right side
    19,735.38x = 320,707,620.11
  5. Step 5: Solve for x
    x = 320,707,620.11/19,735.38
  6. Step 6: Final answer
    x = 16,250.39

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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.