Home / 17,964.35-26,929.89-9,179.90

Finding the Fourth Proportional to 17,964.35, 26,929.89 and 9,179.90

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Solution

The fourth proportional to 17,964.35, 26,929.89 and 9,179.90 is: 13,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,964.35 : 26,929.89 = 9,179.90 : x
  2. Step 2: Convert to fraction form
    17,964.35/26,929.89 = 9,179.90/x
  3. Step 3: Cross multiply
    17,964.35x = 26,929.89 × 9,179.90
  4. Step 4: Simplify right side
    17,964.35x = 247,213,562.56
  5. Step 5: Solve for x
    x = 247,213,562.56/17,964.35
  6. Step 6: Final answer
    x = 13,761.35

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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.