Home / 18,377.74-27,558.42-5,227.06

Finding the Fourth Proportional to 18,377.74, 27,558.42 and 5,227.06

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Solution

The fourth proportional to 18,377.74, 27,558.42 and 5,227.06 is: 7,838.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.74 : 27,558.42 = 5,227.06 : x
  2. Step 2: Convert to fraction form
    18,377.74/27,558.42 = 5,227.06/x
  3. Step 3: Cross multiply
    18,377.74x = 27,558.42 × 5,227.06
  4. Step 4: Simplify right side
    18,377.74x = 144,049,514.85
  5. Step 5: Solve for x
    x = 144,049,514.85/18,377.74
  6. Step 6: Final answer
    x = 7,838.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.