Home / 12,774.24-19,155.02-4,454.73

Finding the Fourth Proportional to 12,774.24, 19,155.02 and 4,454.73

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Solution

The fourth proportional to 12,774.24, 19,155.02 and 4,454.73 is: 6,679.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774.24 : 19,155.02 = 4,454.73 : x
  2. Step 2: Convert to fraction form
    12,774.24/19,155.02 = 4,454.73/x
  3. Step 3: Cross multiply
    12,774.24x = 19,155.02 × 4,454.73
  4. Step 4: Simplify right side
    12,774.24x = 85,330,419.97
  5. Step 5: Solve for x
    x = 85,330,419.97/12,774.24
  6. Step 6: Final answer
    x = 6,679.88

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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.