Home / 11,314.89-16,972.34-3,523.71

Finding the Fourth Proportional to 11,314.89, 16,972.34 and 3,523.71

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Solution

The fourth proportional to 11,314.89, 16,972.34 and 3,523.71 is: 5,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.89 : 16,972.34 = 3,523.71 : x
  2. Step 2: Convert to fraction form
    11,314.89/16,972.34 = 3,523.71/x
  3. Step 3: Cross multiply
    11,314.89x = 16,972.34 × 3,523.71
  4. Step 4: Simplify right side
    11,314.89x = 59,805,604.18
  5. Step 5: Solve for x
    x = 59,805,604.18/11,314.89
  6. Step 6: Final answer
    x = 5,285.57

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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.