Home / 19,653.38-27,122.27-11,269.88

Finding the Fourth Proportional to 19,653.38, 27,122.27 and 11,269.88

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Solution

The fourth proportional to 19,653.38, 27,122.27 and 11,269.88 is: 15,552.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.38 : 27,122.27 = 11,269.88 : x
  2. Step 2: Convert to fraction form
    19,653.38/27,122.27 = 11,269.88/x
  3. Step 3: Cross multiply
    19,653.38x = 27,122.27 × 11,269.88
  4. Step 4: Simplify right side
    19,653.38x = 305,664,536.27
  5. Step 5: Solve for x
    x = 305,664,536.27/19,653.38
  6. Step 6: Final answer
    x = 15,552.78

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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.