Home / 11,836.12-17,748.71-4,435.28

Finding the Fourth Proportional to 11,836.12, 17,748.71 and 4,435.28

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Solution

The fourth proportional to 11,836.12, 17,748.71 and 4,435.28 is: 6,650.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,836.12 : 17,748.71 = 4,435.28 : x
  2. Step 2: Convert to fraction form
    11,836.12/17,748.71 = 4,435.28/x
  3. Step 3: Cross multiply
    11,836.12x = 17,748.71 × 4,435.28
  4. Step 4: Simplify right side
    11,836.12x = 78,720,476.31
  5. Step 5: Solve for x
    x = 78,720,476.31/11,836.12
  6. Step 6: Final answer
    x = 6,650.87

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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.