Home / 10,827.88-16,244.70-3,432.49

Finding the Fourth Proportional to 10,827.88, 16,244.70 and 3,432.49

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Solution

The fourth proportional to 10,827.88, 16,244.70 and 3,432.49 is: 5,149.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.88 : 16,244.70 = 3,432.49 : x
  2. Step 2: Convert to fraction form
    10,827.88/16,244.70 = 3,432.49/x
  3. Step 3: Cross multiply
    10,827.88x = 16,244.70 × 3,432.49
  4. Step 4: Simplify right side
    10,827.88x = 55,759,770.30
  5. Step 5: Solve for x
    x = 55,759,770.30/10,827.88
  6. Step 6: Final answer
    x = 5,149.65

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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.