Home / 15,821.31-21,833.66-8,747.73

Finding the Fourth Proportional to 15,821.31, 21,833.66 and 8,747.73

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Solution

The fourth proportional to 15,821.31, 21,833.66 and 8,747.73 is: 12,072.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,821.31 : 21,833.66 = 8,747.73 : x
  2. Step 2: Convert to fraction form
    15,821.31/21,833.66 = 8,747.73/x
  3. Step 3: Cross multiply
    15,821.31x = 21,833.66 × 8,747.73
  4. Step 4: Simplify right side
    15,821.31x = 190,994,962.59
  5. Step 5: Solve for x
    x = 190,994,962.59/15,821.31
  6. Step 6: Final answer
    x = 12,072.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.