Home / 18,153.89-27,233.99-5,670.72

Finding the Fourth Proportional to 18,153.89, 27,233.99 and 5,670.72

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Solution

The fourth proportional to 18,153.89, 27,233.99 and 5,670.72 is: 8,507.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.89 : 27,233.99 = 5,670.72 : x
  2. Step 2: Convert to fraction form
    18,153.89/27,233.99 = 5,670.72/x
  3. Step 3: Cross multiply
    18,153.89x = 27,233.99 × 5,670.72
  4. Step 4: Simplify right side
    18,153.89x = 154,436,324.68
  5. Step 5: Solve for x
    x = 154,436,324.68/18,153.89
  6. Step 6: Final answer
    x = 8,507.07

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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.