Home / 14,227.75-21,341.61-7,906.65

Finding the Fourth Proportional to 14,227.75, 21,341.61 and 7,906.65

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Solution

The fourth proportional to 14,227.75, 21,341.61 and 7,906.65 is: 11,859.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.75 : 21,341.61 = 7,906.65 : x
  2. Step 2: Convert to fraction form
    14,227.75/21,341.61 = 7,906.65/x
  3. Step 3: Cross multiply
    14,227.75x = 21,341.61 × 7,906.65
  4. Step 4: Simplify right side
    14,227.75x = 168,740,560.68
  5. Step 5: Solve for x
    x = 168,740,560.68/14,227.75
  6. Step 6: Final answer
    x = 11,859.96

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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.