Home / 18,087.89-27,132.56-4,940.23

Finding the Fourth Proportional to 18,087.89, 27,132.56 and 4,940.23

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Solution

The fourth proportional to 18,087.89, 27,132.56 and 4,940.23 is: 7,410.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.89 : 27,132.56 = 4,940.23 : x
  2. Step 2: Convert to fraction form
    18,087.89/27,132.56 = 4,940.23/x
  3. Step 3: Cross multiply
    18,087.89x = 27,132.56 × 4,940.23
  4. Step 4: Simplify right side
    18,087.89x = 134,041,049.92
  5. Step 5: Solve for x
    x = 134,041,049.92/18,087.89
  6. Step 6: Final answer
    x = 7,410.54

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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.