Home / 11,806.72-16,288-6,835.84

Finding the Fourth Proportional to 11,806.72, 16,288 and 6,835.84

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Solution

The fourth proportional to 11,806.72, 16,288 and 6,835.84 is: 9,430.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,806.72 : 16,288 = 6,835.84 : x
  2. Step 2: Convert to fraction form
    11,806.72/16,288 = 6,835.84/x
  3. Step 3: Cross multiply
    11,806.72x = 16,288 × 6,835.84
  4. Step 4: Simplify right side
    11,806.72x = 111,342,161.92
  5. Step 5: Solve for x
    x = 111,342,161.92/11,806.72
  6. Step 6: Final answer
    x = 9,430.41

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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.