Home / 14,620.73-20,176.62-7,906.37

Finding the Fourth Proportional to 14,620.73, 20,176.62 and 7,906.37

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Solution

The fourth proportional to 14,620.73, 20,176.62 and 7,906.37 is: 10,910.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.73 : 20,176.62 = 7,906.37 : x
  2. Step 2: Convert to fraction form
    14,620.73/20,176.62 = 7,906.37/x
  3. Step 3: Cross multiply
    14,620.73x = 20,176.62 × 7,906.37
  4. Step 4: Simplify right side
    14,620.73x = 159,523,722.19
  5. Step 5: Solve for x
    x = 159,523,722.19/14,620.73
  6. Step 6: Final answer
    x = 10,910.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.