Home / 11,859.88-16,365.21-6,553.97

Finding the Fourth Proportional to 11,859.88, 16,365.21 and 6,553.97

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Solution

The fourth proportional to 11,859.88, 16,365.21 and 6,553.97 is: 9,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.88 : 16,365.21 = 6,553.97 : x
  2. Step 2: Convert to fraction form
    11,859.88/16,365.21 = 6,553.97/x
  3. Step 3: Cross multiply
    11,859.88x = 16,365.21 × 6,553.97
  4. Step 4: Simplify right side
    11,859.88x = 107,257,095.38
  5. Step 5: Solve for x
    x = 107,257,095.38/11,859.88
  6. Step 6: Final answer
    x = 9,043.69

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1.5x scale

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.