Home / 15,917.04-21,965.31-8,843.31

Finding the Fourth Proportional to 15,917.04, 21,965.31 and 8,843.31

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Solution

The fourth proportional to 15,917.04, 21,965.31 and 8,843.31 is: 12,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,917.04 : 21,965.31 = 8,843.31 : x
  2. Step 2: Convert to fraction form
    15,917.04/21,965.31 = 8,843.31/x
  3. Step 3: Cross multiply
    15,917.04x = 21,965.31 × 8,843.31
  4. Step 4: Simplify right side
    15,917.04x = 194,246,045.58
  5. Step 5: Solve for x
    x = 194,246,045.58/15,917.04
  6. Step 6: Final answer
    x = 12,203.65

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Why These Related Problems?

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