Home / 18,190.06-27,285.42-5,709.80

Finding the Fourth Proportional to 18,190.06, 27,285.42 and 5,709.80

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Solution

The fourth proportional to 18,190.06, 27,285.42 and 5,709.80 is: 8,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.06 : 27,285.42 = 5,709.80 : x
  2. Step 2: Convert to fraction form
    18,190.06/27,285.42 = 5,709.80/x
  3. Step 3: Cross multiply
    18,190.06x = 27,285.42 × 5,709.80
  4. Step 4: Simplify right side
    18,190.06x = 155,794,291.12
  5. Step 5: Solve for x
    x = 155,794,291.12/18,190.06
  6. Step 6: Final answer
    x = 8,564.80

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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.