Home / 12,774.62-19,155.76-4,454.44

Finding the Fourth Proportional to 12,774.62, 19,155.76 and 4,454.44

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Solution

The fourth proportional to 12,774.62, 19,155.76 and 4,454.44 is: 6,679.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774.62 : 19,155.76 = 4,454.44 : x
  2. Step 2: Convert to fraction form
    12,774.62/19,155.76 = 4,454.44/x
  3. Step 3: Cross multiply
    12,774.62x = 19,155.76 × 4,454.44
  4. Step 4: Simplify right side
    12,774.62x = 85,328,183.57
  5. Step 5: Solve for x
    x = 85,328,183.57/12,774.62
  6. Step 6: Final answer
    x = 6,679.51

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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.