Home / 12,910.96-19,360.05-4,589.73

Finding the Fourth Proportional to 12,910.96, 19,360.05 and 4,589.73

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Solution

The fourth proportional to 12,910.96, 19,360.05 and 4,589.73 is: 6,882.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910.96 : 19,360.05 = 4,589.73 : x
  2. Step 2: Convert to fraction form
    12,910.96/19,360.05 = 4,589.73/x
  3. Step 3: Cross multiply
    12,910.96x = 19,360.05 × 4,589.73
  4. Step 4: Simplify right side
    12,910.96x = 88,857,385.08
  5. Step 5: Solve for x
    x = 88,857,385.08/12,910.96
  6. Step 6: Final answer
    x = 6,882.32

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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.