Home / 11,809.20-16,296.42-6,776.37

Finding the Fourth Proportional to 11,809.20, 16,296.42 and 6,776.37

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Solution

The fourth proportional to 11,809.20, 16,296.42 and 6,776.37 is: 9,351.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.20 : 16,296.42 = 6,776.37 : x
  2. Step 2: Convert to fraction form
    11,809.20/16,296.42 = 6,776.37/x
  3. Step 3: Cross multiply
    11,809.20x = 16,296.42 × 6,776.37
  4. Step 4: Simplify right side
    11,809.20x = 110,430,571.60
  5. Step 5: Solve for x
    x = 110,430,571.60/11,809.20
  6. Step 6: Final answer
    x = 9,351.23

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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.