Home / 11,893.20-17,839.95-5,653.86

Finding the Fourth Proportional to 11,893.20, 17,839.95 and 5,653.86

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Solution

The fourth proportional to 11,893.20, 17,839.95 and 5,653.86 is: 8,480.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,893.20 : 17,839.95 = 5,653.86 : x
  2. Step 2: Convert to fraction form
    11,893.20/17,839.95 = 5,653.86/x
  3. Step 3: Cross multiply
    11,893.20x = 17,839.95 × 5,653.86
  4. Step 4: Simplify right side
    11,893.20x = 100,864,579.71
  5. Step 5: Solve for x
    x = 100,864,579.71/11,893.20
  6. Step 6: Final answer
    x = 8,480.86

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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.