Home / 19,961.26-29,936.78-5,918.00

Finding the Fourth Proportional to 19,961.26, 29,936.78 and 5,918.00

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Solution

The fourth proportional to 19,961.26, 29,936.78 and 5,918.00 is: 8,875.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.26 : 29,936.78 = 5,918.00 : x
  2. Step 2: Convert to fraction form
    19,961.26/29,936.78 = 5,918.00/x
  3. Step 3: Cross multiply
    19,961.26x = 29,936.78 × 5,918.00
  4. Step 4: Simplify right side
    19,961.26x = 177,165,875.35
  5. Step 5: Solve for x
    x = 177,165,875.35/19,961.26
  6. Step 6: Final answer
    x = 8,875.49

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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.