Home / 19,960.44-29,945.93-6,812.79

Finding the Fourth Proportional to 19,960.44, 29,945.93 and 6,812.79

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Solution

The fourth proportional to 19,960.44, 29,945.93 and 6,812.79 is: 10,220.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.44 : 29,945.93 = 6,812.79 : x
  2. Step 2: Convert to fraction form
    19,960.44/29,945.93 = 6,812.79/x
  3. Step 3: Cross multiply
    19,960.44x = 29,945.93 × 6,812.79
  4. Step 4: Simplify right side
    19,960.44x = 204,015,298.38
  5. Step 5: Solve for x
    x = 204,015,298.38/19,960.44
  6. Step 6: Final answer
    x = 10,220.98

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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.