Home / 12,766.55-19,149.83-4,002.14

Finding the Fourth Proportional to 12,766.55, 19,149.83 and 4,002.14

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Solution

The fourth proportional to 12,766.55, 19,149.83 and 4,002.14 is: 6,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.55 : 19,149.83 = 4,002.14 : x
  2. Step 2: Convert to fraction form
    12,766.55/19,149.83 = 4,002.14/x
  3. Step 3: Cross multiply
    12,766.55x = 19,149.83 × 4,002.14
  4. Step 4: Simplify right side
    12,766.55x = 76,640,184.88
  5. Step 5: Solve for x
    x = 76,640,184.88/12,766.55
  6. Step 6: Final answer
    x = 6,003.20

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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.