Home / 13,906.92-20,859.71-4,545.75

Finding the Fourth Proportional to 13,906.92, 20,859.71 and 4,545.75

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Solution

The fourth proportional to 13,906.92, 20,859.71 and 4,545.75 is: 6,818.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.92 : 20,859.71 = 4,545.75 : x
  2. Step 2: Convert to fraction form
    13,906.92/20,859.71 = 4,545.75/x
  3. Step 3: Cross multiply
    13,906.92x = 20,859.71 × 4,545.75
  4. Step 4: Simplify right side
    13,906.92x = 94,823,026.73
  5. Step 5: Solve for x
    x = 94,823,026.73/13,906.92
  6. Step 6: Final answer
    x = 6,818.41

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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.