Home / 13,108.62-19,653.82-8,110.42

Finding the Fourth Proportional to 13,108.62, 19,653.82 and 8,110.42

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Solution

The fourth proportional to 13,108.62, 19,653.82 and 8,110.42 is: 12,159.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.62 : 19,653.82 = 8,110.42 : x
  2. Step 2: Convert to fraction form
    13,108.62/19,653.82 = 8,110.42/x
  3. Step 3: Cross multiply
    13,108.62x = 19,653.82 × 8,110.42
  4. Step 4: Simplify right side
    13,108.62x = 159,400,734.80
  5. Step 5: Solve for x
    x = 159,400,734.80/13,108.62
  6. Step 6: Final answer
    x = 12,159.99

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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.