Home / 19,709.36-27,198.24-11,747.48

Finding the Fourth Proportional to 19,709.36, 27,198.24 and 11,747.48

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Solution

The fourth proportional to 19,709.36, 27,198.24 and 11,747.48 is: 16,211.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.36 : 27,198.24 = 11,747.48 : x
  2. Step 2: Convert to fraction form
    19,709.36/27,198.24 = 11,747.48/x
  3. Step 3: Cross multiply
    19,709.36x = 27,198.24 × 11,747.48
  4. Step 4: Simplify right side
    19,709.36x = 319,510,780.44
  5. Step 5: Solve for x
    x = 319,510,780.44/19,709.36
  6. Step 6: Final answer
    x = 16,211.12

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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.