Home / 18,185.56-27,253.45-13,739.57

Finding the Fourth Proportional to 18,185.56, 27,253.45 and 13,739.57

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Solution

The fourth proportional to 18,185.56, 27,253.45 and 13,739.57 is: 20,590.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185.56 : 27,253.45 = 13,739.57 : x
  2. Step 2: Convert to fraction form
    18,185.56/27,253.45 = 13,739.57/x
  3. Step 3: Cross multiply
    18,185.56x = 27,253.45 × 13,739.57
  4. Step 4: Simplify right side
    18,185.56x = 374,450,479.05
  5. Step 5: Solve for x
    x = 374,450,479.05/18,185.56
  6. Step 6: Final answer
    x = 20,590.54

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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.