Home / 19,971.25-29,961.47-5,930.96

Finding the Fourth Proportional to 19,971.25, 29,961.47 and 5,930.96

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Solution

The fourth proportional to 19,971.25, 29,961.47 and 5,930.96 is: 8,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.25 : 29,961.47 = 5,930.96 : x
  2. Step 2: Convert to fraction form
    19,971.25/29,961.47 = 5,930.96/x
  3. Step 3: Cross multiply
    19,971.25x = 29,961.47 × 5,930.96
  4. Step 4: Simplify right side
    19,971.25x = 177,700,145.13
  5. Step 5: Solve for x
    x = 177,700,145.13/19,971.25
  6. Step 6: Final answer
    x = 8,897.80

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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.