Home / 11,890.54-17,836.01-4,498.48

Finding the Fourth Proportional to 11,890.54, 17,836.01 and 4,498.48

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Solution

The fourth proportional to 11,890.54, 17,836.01 and 4,498.48 is: 6,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.54 : 17,836.01 = 4,498.48 : x
  2. Step 2: Convert to fraction form
    11,890.54/17,836.01 = 4,498.48/x
  3. Step 3: Cross multiply
    11,890.54x = 17,836.01 × 4,498.48
  4. Step 4: Simplify right side
    11,890.54x = 80,234,934.26
  5. Step 5: Solve for x
    x = 80,234,934.26/11,890.54
  6. Step 6: Final answer
    x = 6,747.80

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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.