Home / 16,778.72-25,149.63-6,912.62

Finding the Fourth Proportional to 16,778.72, 25,149.63 and 6,912.62

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Solution

The fourth proportional to 16,778.72, 25,149.63 and 6,912.62 is: 10,361.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.72 : 25,149.63 = 6,912.62 : x
  2. Step 2: Convert to fraction form
    16,778.72/25,149.63 = 6,912.62/x
  3. Step 3: Cross multiply
    16,778.72x = 25,149.63 × 6,912.62
  4. Step 4: Simplify right side
    16,778.72x = 173,849,709.58
  5. Step 5: Solve for x
    x = 173,849,709.58/16,778.72
  6. Step 6: Final answer
    x = 10,361.32

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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.