Home / 18,172.75-27,259.13-4,845.79

Finding the Fourth Proportional to 18,172.75, 27,259.13 and 4,845.79

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Solution

The fourth proportional to 18,172.75, 27,259.13 and 4,845.79 is: 7,268.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172.75 : 27,259.13 = 4,845.79 : x
  2. Step 2: Convert to fraction form
    18,172.75/27,259.13 = 4,845.79/x
  3. Step 3: Cross multiply
    18,172.75x = 27,259.13 × 4,845.79
  4. Step 4: Simplify right side
    18,172.75x = 132,092,019.56
  5. Step 5: Solve for x
    x = 132,092,019.56/18,172.75
  6. Step 6: Final answer
    x = 7,268.69

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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.