Home / 16,778.55-25,170.86-6,912.34

Finding the Fourth Proportional to 16,778.55, 25,170.86 and 6,912.34

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Solution

The fourth proportional to 16,778.55, 25,170.86 and 6,912.34 is: 10,369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.55 : 25,170.86 = 6,912.34 : x
  2. Step 2: Convert to fraction form
    16,778.55/25,170.86 = 6,912.34/x
  3. Step 3: Cross multiply
    16,778.55x = 25,170.86 × 6,912.34
  4. Step 4: Simplify right side
    16,778.55x = 173,989,542.41
  5. Step 5: Solve for x
    x = 173,989,542.41/16,778.55
  6. Step 6: Final answer
    x = 10,369.76

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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.