Home / 19,961.66-29,938.31-5,921.82

Finding the Fourth Proportional to 19,961.66, 29,938.31 and 5,921.82

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Solution

The fourth proportional to 19,961.66, 29,938.31 and 5,921.82 is: 8,881.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.66 : 29,938.31 = 5,921.82 : x
  2. Step 2: Convert to fraction form
    19,961.66/29,938.31 = 5,921.82/x
  3. Step 3: Cross multiply
    19,961.66x = 29,938.31 × 5,921.82
  4. Step 4: Simplify right side
    19,961.66x = 177,289,282.92
  5. Step 5: Solve for x
    x = 177,289,282.92/19,961.66
  6. Step 6: Final answer
    x = 8,881.49

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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.