Home / 15,916.62-21,964.32-8,843.46

Finding the Fourth Proportional to 15,916.62, 21,964.32 and 8,843.46

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Solution

The fourth proportional to 15,916.62, 21,964.32 and 8,843.46 is: 12,203.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,916.62 : 21,964.32 = 8,843.46 : x
  2. Step 2: Convert to fraction form
    15,916.62/21,964.32 = 8,843.46/x
  3. Step 3: Cross multiply
    15,916.62x = 21,964.32 × 8,843.46
  4. Step 4: Simplify right side
    15,916.62x = 194,240,585.35
  5. Step 5: Solve for x
    x = 194,240,585.35/15,916.62
  6. Step 6: Final answer
    x = 12,203.63

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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.