Home / 10,787.87-16,185.70-3,768.92

Finding the Fourth Proportional to 10,787.87, 16,185.70 and 3,768.92

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Solution

The fourth proportional to 10,787.87, 16,185.70 and 3,768.92 is: 5,654.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.87 : 16,185.70 = 3,768.92 : x
  2. Step 2: Convert to fraction form
    10,787.87/16,185.70 = 3,768.92/x
  3. Step 3: Cross multiply
    10,787.87x = 16,185.70 × 3,768.92
  4. Step 4: Simplify right side
    10,787.87x = 61,002,608.44
  5. Step 5: Solve for x
    x = 61,002,608.44/10,787.87
  6. Step 6: Final answer
    x = 5,654.74

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1.5x scale

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.