Home / 11,723.54-16,177.93-6,418.37

Finding the Fourth Proportional to 11,723.54, 16,177.93 and 6,418.37

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Solution

The fourth proportional to 11,723.54, 16,177.93 and 6,418.37 is: 8,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.54 : 16,177.93 = 6,418.37 : x
  2. Step 2: Convert to fraction form
    11,723.54/16,177.93 = 6,418.37/x
  3. Step 3: Cross multiply
    11,723.54x = 16,177.93 × 6,418.37
  4. Step 4: Simplify right side
    11,723.54x = 103,835,964.97
  5. Step 5: Solve for x
    x = 103,835,964.97/11,723.54
  6. Step 6: Final answer
    x = 8,857.05

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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.