Home / 18,147.50-27,222.97-7,055.04

Finding the Fourth Proportional to 18,147.50, 27,222.97 and 7,055.04

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Solution

The fourth proportional to 18,147.50, 27,222.97 and 7,055.04 is: 10,583.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.50 : 27,222.97 = 7,055.04 : x
  2. Step 2: Convert to fraction form
    18,147.50/27,222.97 = 7,055.04/x
  3. Step 3: Cross multiply
    18,147.50x = 27,222.97 × 7,055.04
  4. Step 4: Simplify right side
    18,147.50x = 192,059,142.27
  5. Step 5: Solve for x
    x = 192,059,142.27/18,147.50
  6. Step 6: Final answer
    x = 10,583.23

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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.