Home / 18,558.52-27,837.77-4,518.54

Finding the Fourth Proportional to 18,558.52, 27,837.77 and 4,518.54

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Solution

The fourth proportional to 18,558.52, 27,837.77 and 4,518.54 is: 6,777.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558.52 : 27,837.77 = 4,518.54 : x
  2. Step 2: Convert to fraction form
    18,558.52/27,837.77 = 4,518.54/x
  3. Step 3: Cross multiply
    18,558.52x = 27,837.77 × 4,518.54
  4. Step 4: Simplify right side
    18,558.52x = 125,786,054.66
  5. Step 5: Solve for x
    x = 125,786,054.66/18,558.52
  6. Step 6: Final answer
    x = 6,777.81

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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.