Home / 11,553.07-15,935.89-7,574.44

Finding the Fourth Proportional to 11,553.07, 15,935.89 and 7,574.44

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Solution

The fourth proportional to 11,553.07, 15,935.89 and 7,574.44 is: 10,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.07 : 15,935.89 = 7,574.44 : x
  2. Step 2: Convert to fraction form
    11,553.07/15,935.89 = 7,574.44/x
  3. Step 3: Cross multiply
    11,553.07x = 15,935.89 × 7,574.44
  4. Step 4: Simplify right side
    11,553.07x = 120,705,362.97
  5. Step 5: Solve for x
    x = 120,705,362.97/11,553.07
  6. Step 6: Final answer
    x = 10,447.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.