Home / 19,418.54-29,156.96-11,107.94

Finding the Fourth Proportional to 19,418.54, 29,156.96 and 11,107.94

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Solution

The fourth proportional to 19,418.54, 29,156.96 and 11,107.94 is: 16,678.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.54 : 29,156.96 = 11,107.94 : x
  2. Step 2: Convert to fraction form
    19,418.54/29,156.96 = 11,107.94/x
  3. Step 3: Cross multiply
    19,418.54x = 29,156.96 × 11,107.94
  4. Step 4: Simplify right side
    19,418.54x = 323,873,644.25
  5. Step 5: Solve for x
    x = 323,873,644.25/19,418.54
  6. Step 6: Final answer
    x = 16,678.58

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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.