Home / 12,768.62-19,146.76-4,448.44

Finding the Fourth Proportional to 12,768.62, 19,146.76 and 4,448.44

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Solution

The fourth proportional to 12,768.62, 19,146.76 and 4,448.44 is: 6,670.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768.62 : 19,146.76 = 4,448.44 : x
  2. Step 2: Convert to fraction form
    12,768.62/19,146.76 = 4,448.44/x
  3. Step 3: Cross multiply
    12,768.62x = 19,146.76 × 4,448.44
  4. Step 4: Simplify right side
    12,768.62x = 85,173,213.05
  5. Step 5: Solve for x
    x = 85,173,213.05/12,768.62
  6. Step 6: Final answer
    x = 6,670.51

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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.