Home / 11,054.26-16,588.68-5,211.46

Finding the Fourth Proportional to 11,054.26, 16,588.68 and 5,211.46

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Solution

The fourth proportional to 11,054.26, 16,588.68 and 5,211.46 is: 7,820.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.26 : 16,588.68 = 5,211.46 : x
  2. Step 2: Convert to fraction form
    11,054.26/16,588.68 = 5,211.46/x
  3. Step 3: Cross multiply
    11,054.26x = 16,588.68 × 5,211.46
  4. Step 4: Simplify right side
    11,054.26x = 86,451,242.27
  5. Step 5: Solve for x
    x = 86,451,242.27/11,054.26
  6. Step 6: Final answer
    x = 7,820.63

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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.