Home / 18,699.94-28,054.77-8,839

Finding the Fourth Proportional to 18,699.94, 28,054.77 and 8,839

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Solution

The fourth proportional to 18,699.94, 28,054.77 and 8,839 is: 13,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699.94 : 28,054.77 = 8,839 : x
  2. Step 2: Convert to fraction form
    18,699.94/28,054.77 = 8,839/x
  3. Step 3: Cross multiply
    18,699.94x = 28,054.77 × 8,839
  4. Step 4: Simplify right side
    18,699.94x = 247,976,112.03
  5. Step 5: Solve for x
    x = 247,976,112.03/18,699.94
  6. Step 6: Final answer
    x = 13,260.80

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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.