Home / 19,741.07-27,243.98-11,129.38

Finding the Fourth Proportional to 19,741.07, 27,243.98 and 11,129.38

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Solution

The fourth proportional to 19,741.07, 27,243.98 and 11,129.38 is: 15,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741.07 : 27,243.98 = 11,129.38 : x
  2. Step 2: Convert to fraction form
    19,741.07/27,243.98 = 11,129.38/x
  3. Step 3: Cross multiply
    19,741.07x = 27,243.98 × 11,129.38
  4. Step 4: Simplify right side
    19,741.07x = 303,208,414.27
  5. Step 5: Solve for x
    x = 303,208,414.27/19,741.07
  6. Step 6: Final answer
    x = 15,359.27

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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.