Home / 19,211.25-28,791.77-9,843.33

Finding the Fourth Proportional to 19,211.25, 28,791.77 and 9,843.33

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Solution

The fourth proportional to 19,211.25, 28,791.77 and 9,843.33 is: 14,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.25 : 28,791.77 = 9,843.33 : x
  2. Step 2: Convert to fraction form
    19,211.25/28,791.77 = 9,843.33/x
  3. Step 3: Cross multiply
    19,211.25x = 28,791.77 × 9,843.33
  4. Step 4: Simplify right side
    19,211.25x = 283,406,844.18
  5. Step 5: Solve for x
    x = 283,406,844.18/19,211.25
  6. Step 6: Final answer
    x = 14,752.13

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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.