Home / 11,910.64-17,867.72-11,181.68

Finding the Fourth Proportional to 11,910.64, 17,867.72 and 11,181.68

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Solution

The fourth proportional to 11,910.64, 17,867.72 and 11,181.68 is: 16,774.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.64 : 17,867.72 = 11,181.68 : x
  2. Step 2: Convert to fraction form
    11,910.64/17,867.72 = 11,181.68/x
  3. Step 3: Cross multiply
    11,910.64x = 17,867.72 × 11,181.68
  4. Step 4: Simplify right side
    11,910.64x = 199,791,127.37
  5. Step 5: Solve for x
    x = 199,791,127.37/11,910.64
  6. Step 6: Final answer
    x = 16,774.17

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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.