Home / 21,923.76-30,234.94-14,367.38

Finding the Fourth Proportional to 21,923.76, 30,234.94 and 14,367.38

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Solution

The fourth proportional to 21,923.76, 30,234.94 and 14,367.38 is: 19,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923.76 : 30,234.94 = 14,367.38 : x
  2. Step 2: Convert to fraction form
    21,923.76/30,234.94 = 14,367.38/x
  3. Step 3: Cross multiply
    21,923.76x = 30,234.94 × 14,367.38
  4. Step 4: Simplify right side
    21,923.76x = 434,396,685.16
  5. Step 5: Solve for x
    x = 434,396,685.16/21,923.76
  6. Step 6: Final answer
    x = 19,813.96

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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.