Home / 19,987.73-29,976.37-5,943.98

Finding the Fourth Proportional to 19,987.73, 29,976.37 and 5,943.98

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Solution

The fourth proportional to 19,987.73, 29,976.37 and 5,943.98 is: 8,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987.73 : 29,976.37 = 5,943.98 : x
  2. Step 2: Convert to fraction form
    19,987.73/29,976.37 = 5,943.98/x
  3. Step 3: Cross multiply
    19,987.73x = 29,976.37 × 5,943.98
  4. Step 4: Simplify right side
    19,987.73x = 178,178,943.75
  5. Step 5: Solve for x
    x = 178,178,943.75/19,987.73
  6. Step 6: Final answer
    x = 8,914.42

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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.