Home / 11,090.39-16,636.39-3,491.02

Finding the Fourth Proportional to 11,090.39, 16,636.39 and 3,491.02

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Solution

The fourth proportional to 11,090.39, 16,636.39 and 3,491.02 is: 5,236.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.39 : 16,636.39 = 3,491.02 : x
  2. Step 2: Convert to fraction form
    11,090.39/16,636.39 = 3,491.02/x
  3. Step 3: Cross multiply
    11,090.39x = 16,636.39 × 3,491.02
  4. Step 4: Simplify right side
    11,090.39x = 58,078,029.08
  5. Step 5: Solve for x
    x = 58,078,029.08/11,090.39
  6. Step 6: Final answer
    x = 5,236.79

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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.