Home / 18,469.35-27,707.67-5,321.84

Finding the Fourth Proportional to 18,469.35, 27,707.67 and 5,321.84

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Solution

The fourth proportional to 18,469.35, 27,707.67 and 5,321.84 is: 7,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469.35 : 27,707.67 = 5,321.84 : x
  2. Step 2: Convert to fraction form
    18,469.35/27,707.67 = 5,321.84/x
  3. Step 3: Cross multiply
    18,469.35x = 27,707.67 × 5,321.84
  4. Step 4: Simplify right side
    18,469.35x = 147,455,647.97
  5. Step 5: Solve for x
    x = 147,455,647.97/18,469.35
  6. Step 6: Final answer
    x = 7,983.80

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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.