Home / 18,186.03-27,279.33-5,705.73

Finding the Fourth Proportional to 18,186.03, 27,279.33 and 5,705.73

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Solution

The fourth proportional to 18,186.03, 27,279.33 and 5,705.73 is: 8,558.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186.03 : 27,279.33 = 5,705.73 : x
  2. Step 2: Convert to fraction form
    18,186.03/27,279.33 = 5,705.73/x
  3. Step 3: Cross multiply
    18,186.03x = 27,279.33 × 5,705.73
  4. Step 4: Simplify right side
    18,186.03x = 155,648,491.56
  5. Step 5: Solve for x
    x = 155,648,491.56/18,186.03
  6. Step 6: Final answer
    x = 8,558.68

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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.