Home / 12,966.88-19,445.42-4,199.44

Finding the Fourth Proportional to 12,966.88, 19,445.42 and 4,199.44

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Solution

The fourth proportional to 12,966.88, 19,445.42 and 4,199.44 is: 6,297.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966.88 : 19,445.42 = 4,199.44 : x
  2. Step 2: Convert to fraction form
    12,966.88/19,445.42 = 4,199.44/x
  3. Step 3: Cross multiply
    12,966.88x = 19,445.42 × 4,199.44
  4. Step 4: Simplify right side
    12,966.88x = 81,659,874.56
  5. Step 5: Solve for x
    x = 81,659,874.56/12,966.88
  6. Step 6: Final answer
    x = 6,297.57

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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.