Home / 11,418.94-17,133.54-7,257.87

Finding the Fourth Proportional to 11,418.94, 17,133.54 and 7,257.87

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Solution

The fourth proportional to 11,418.94, 17,133.54 and 7,257.87 is: 10,890.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.94 : 17,133.54 = 7,257.87 : x
  2. Step 2: Convert to fraction form
    11,418.94/17,133.54 = 7,257.87/x
  3. Step 3: Cross multiply
    11,418.94x = 17,133.54 × 7,257.87
  4. Step 4: Simplify right side
    11,418.94x = 124,353,005.96
  5. Step 5: Solve for x
    x = 124,353,005.96/11,418.94
  6. Step 6: Final answer
    x = 10,890.07

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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.