Home / 19,623.38-27,079.17-11,240.42

Finding the Fourth Proportional to 19,623.38, 27,079.17 and 11,240.42

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Solution

The fourth proportional to 19,623.38, 27,079.17 and 11,240.42 is: 15,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.38 : 27,079.17 = 11,240.42 : x
  2. Step 2: Convert to fraction form
    19,623.38/27,079.17 = 11,240.42/x
  3. Step 3: Cross multiply
    19,623.38x = 27,079.17 × 11,240.42
  4. Step 4: Simplify right side
    19,623.38x = 304,381,244.05
  5. Step 5: Solve for x
    x = 304,381,244.05/19,623.38
  6. Step 6: Final answer
    x = 15,511.15

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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.