Home / 11,976.65-17,871.31-10,731.37

Finding the Fourth Proportional to 11,976.65, 17,871.31 and 10,731.37

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Solution

The fourth proportional to 11,976.65, 17,871.31 and 10,731.37 is: 16,013.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.65 : 17,871.31 = 10,731.37 : x
  2. Step 2: Convert to fraction form
    11,976.65/17,871.31 = 10,731.37/x
  3. Step 3: Cross multiply
    11,976.65x = 17,871.31 × 10,731.37
  4. Step 4: Simplify right side
    11,976.65x = 191,783,639.99
  5. Step 5: Solve for x
    x = 191,783,639.99/11,976.65
  6. Step 6: Final answer
    x = 16,013.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.