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Finding the Fourth Proportional to 12,676.62, 19,014.93 and 8,450.94

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Solution

The fourth proportional to 12,676.62, 19,014.93 and 8,450.94 is: 12,676.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676.62 : 19,014.93 = 8,450.94 : x
  2. Step 2: Convert to fraction form
    12,676.62/19,014.93 = 8,450.94/x
  3. Step 3: Cross multiply
    12,676.62x = 19,014.93 × 8,450.94
  4. Step 4: Simplify right side
    12,676.62x = 160,694,032.53
  5. Step 5: Solve for x
    x = 160,694,032.53/12,676.62
  6. Step 6: Final answer
    x = 12,676.41

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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.