Home / 18,147.26-27,222.44-4,999.64

Finding the Fourth Proportional to 18,147.26, 27,222.44 and 4,999.64

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Solution

The fourth proportional to 18,147.26, 27,222.44 and 4,999.64 is: 7,499.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.26 : 27,222.44 = 4,999.64 : x
  2. Step 2: Convert to fraction form
    18,147.26/27,222.44 = 4,999.64/x
  3. Step 3: Cross multiply
    18,147.26x = 27,222.44 × 4,999.64
  4. Step 4: Simplify right side
    18,147.26x = 136,102,399.92
  5. Step 5: Solve for x
    x = 136,102,399.92/18,147.26
  6. Step 6: Final answer
    x = 7,499.89

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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.