Home / 19,961.98-29,945.70-6,810.82

Finding the Fourth Proportional to 19,961.98, 29,945.70 and 6,810.82

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Solution

The fourth proportional to 19,961.98, 29,945.70 and 6,810.82 is: 10,217.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.98 : 29,945.70 = 6,810.82 : x
  2. Step 2: Convert to fraction form
    19,961.98/29,945.70 = 6,810.82/x
  3. Step 3: Cross multiply
    19,961.98x = 29,945.70 × 6,810.82
  4. Step 4: Simplify right side
    19,961.98x = 203,954,772.47
  5. Step 5: Solve for x
    x = 203,954,772.47/19,961.98
  6. Step 6: Final answer
    x = 10,217.16

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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.