Home / 10,787.33-16,180.97-3,392.43

Finding the Fourth Proportional to 10,787.33, 16,180.97 and 3,392.43

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Solution

The fourth proportional to 10,787.33, 16,180.97 and 3,392.43 is: 5,088.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.33 : 16,180.97 = 3,392.43 : x
  2. Step 2: Convert to fraction form
    10,787.33/16,180.97 = 3,392.43/x
  3. Step 3: Cross multiply
    10,787.33x = 16,180.97 × 3,392.43
  4. Step 4: Simplify right side
    10,787.33x = 54,892,808.06
  5. Step 5: Solve for x
    x = 54,892,808.06/10,787.33
  6. Step 6: Final answer
    x = 5,088.64

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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.