Home / 18,270.68-27,389.25-6,581.06

Finding the Fourth Proportional to 18,270.68, 27,389.25 and 6,581.06

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Solution

The fourth proportional to 18,270.68, 27,389.25 and 6,581.06 is: 9,865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.68 : 27,389.25 = 6,581.06 : x
  2. Step 2: Convert to fraction form
    18,270.68/27,389.25 = 6,581.06/x
  3. Step 3: Cross multiply
    18,270.68x = 27,389.25 × 6,581.06
  4. Step 4: Simplify right side
    18,270.68x = 180,250,297.61
  5. Step 5: Solve for x
    x = 180,250,297.61/18,270.68
  6. Step 6: Final answer
    x = 9,865.55

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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.