Home / 13,949.92-20,913.94-6,550.57

Finding the Fourth Proportional to 13,949.92, 20,913.94 and 6,550.57

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Solution

The fourth proportional to 13,949.92, 20,913.94 and 6,550.57 is: 9,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.92 : 20,913.94 = 6,550.57 : x
  2. Step 2: Convert to fraction form
    13,949.92/20,913.94 = 6,550.57/x
  3. Step 3: Cross multiply
    13,949.92x = 20,913.94 × 6,550.57
  4. Step 4: Simplify right side
    13,949.92x = 136,998,227.95
  5. Step 5: Solve for x
    x = 136,998,227.95/13,949.92
  6. Step 6: Final answer
    x = 9,820.72

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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.