Home / 11,896.10-17,842.71-3,131.70

Finding the Fourth Proportional to 11,896.10, 17,842.71 and 3,131.70

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Solution

The fourth proportional to 11,896.10, 17,842.71 and 3,131.70 is: 4,697.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,896.10 : 17,842.71 = 3,131.70 : x
  2. Step 2: Convert to fraction form
    11,896.10/17,842.71 = 3,131.70/x
  3. Step 3: Cross multiply
    11,896.10x = 17,842.71 × 3,131.70
  4. Step 4: Simplify right side
    11,896.10x = 55,877,959.74
  5. Step 5: Solve for x
    x = 55,877,959.74/11,896.10
  6. Step 6: Final answer
    x = 4,697.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.