Home / 11,188.85-16,784.08-3,398.27

Finding the Fourth Proportional to 11,188.85, 16,784.08 and 3,398.27

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Solution

The fourth proportional to 11,188.85, 16,784.08 and 3,398.27 is: 5,097.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.85 : 16,784.08 = 3,398.27 : x
  2. Step 2: Convert to fraction form
    11,188.85/16,784.08 = 3,398.27/x
  3. Step 3: Cross multiply
    11,188.85x = 16,784.08 × 3,398.27
  4. Step 4: Simplify right side
    11,188.85x = 57,036,743.13
  5. Step 5: Solve for x
    x = 57,036,743.13/11,188.85
  6. Step 6: Final answer
    x = 5,097.64

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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.