Home / 19,960.88-29,902.96-11,169.16

Finding the Fourth Proportional to 19,960.88, 29,902.96 and 11,169.16

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Solution

The fourth proportional to 19,960.88, 29,902.96 and 11,169.16 is: 16,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.88 : 29,902.96 = 11,169.16 : x
  2. Step 2: Convert to fraction form
    19,960.88/29,902.96 = 11,169.16/x
  3. Step 3: Cross multiply
    19,960.88x = 29,902.96 × 11,169.16
  4. Step 4: Simplify right side
    19,960.88x = 333,990,944.71
  5. Step 5: Solve for x
    x = 333,990,944.71/19,960.88
  6. Step 6: Final answer
    x = 16,732.28

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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.