Home / 11,810.20-16,297.80-6,777.37

Finding the Fourth Proportional to 11,810.20, 16,297.80 and 6,777.37

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Solution

The fourth proportional to 11,810.20, 16,297.80 and 6,777.37 is: 9,352.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.20 : 16,297.80 = 6,777.37 : x
  2. Step 2: Convert to fraction form
    11,810.20/16,297.80 = 6,777.37/x
  3. Step 3: Cross multiply
    11,810.20x = 16,297.80 × 6,777.37
  4. Step 4: Simplify right side
    11,810.20x = 110,456,220.79
  5. Step 5: Solve for x
    x = 110,456,220.79/11,810.20
  6. Step 6: Final answer
    x = 9,352.61

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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.