Home / 19,355.67-29,051.33-11,974.55

Finding the Fourth Proportional to 19,355.67, 29,051.33 and 11,974.55

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Solution

The fourth proportional to 19,355.67, 29,051.33 and 11,974.55 is: 17,972.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.67 : 29,051.33 = 11,974.55 : x
  2. Step 2: Convert to fraction form
    19,355.67/29,051.33 = 11,974.55/x
  3. Step 3: Cross multiply
    19,355.67x = 29,051.33 × 11,974.55
  4. Step 4: Simplify right side
    19,355.67x = 347,876,398.52
  5. Step 5: Solve for x
    x = 347,876,398.52/19,355.67
  6. Step 6: Final answer
    x = 17,972.84

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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.