Home / 11,708.87-17,563.31-2,943.79

Finding the Fourth Proportional to 11,708.87, 17,563.31 and 2,943.79

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Solution

The fourth proportional to 11,708.87, 17,563.31 and 2,943.79 is: 4,415.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.87 : 17,563.31 = 2,943.79 : x
  2. Step 2: Convert to fraction form
    11,708.87/17,563.31 = 2,943.79/x
  3. Step 3: Cross multiply
    11,708.87x = 17,563.31 × 2,943.79
  4. Step 4: Simplify right side
    11,708.87x = 51,702,696.34
  5. Step 5: Solve for x
    x = 51,702,696.34/11,708.87
  6. Step 6: Final answer
    x = 4,415.69

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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.