Home / 16,778.46-25,145.13-8,464.45

Finding the Fourth Proportional to 16,778.46, 25,145.13 and 8,464.45

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Solution

The fourth proportional to 16,778.46, 25,145.13 and 8,464.45 is: 12,685.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.46 : 25,145.13 = 8,464.45 : x
  2. Step 2: Convert to fraction form
    16,778.46/25,145.13 = 8,464.45/x
  3. Step 3: Cross multiply
    16,778.46x = 25,145.13 × 8,464.45
  4. Step 4: Simplify right side
    16,778.46x = 212,839,601.02
  5. Step 5: Solve for x
    x = 212,839,601.02/16,778.46
  6. Step 6: Final answer
    x = 12,685.29

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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.