Home / 17,908.84-26,861.82-11,315.80

Finding the Fourth Proportional to 17,908.84, 26,861.82 and 11,315.80

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Solution

The fourth proportional to 17,908.84, 26,861.82 and 11,315.80 is: 16,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,908.84 : 26,861.82 = 11,315.80 : x
  2. Step 2: Convert to fraction form
    17,908.84/26,861.82 = 11,315.80/x
  3. Step 3: Cross multiply
    17,908.84x = 26,861.82 × 11,315.80
  4. Step 4: Simplify right side
    17,908.84x = 303,962,982.76
  5. Step 5: Solve for x
    x = 303,962,982.76/17,908.84
  6. Step 6: Final answer
    x = 16,972.79

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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.