Home / 11,832.20-16,334.58-8,529.80

Finding the Fourth Proportional to 11,832.20, 16,334.58 and 8,529.80

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Solution

The fourth proportional to 11,832.20, 16,334.58 and 8,529.80 is: 11,775.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.20 : 16,334.58 = 8,529.80 : x
  2. Step 2: Convert to fraction form
    11,832.20/16,334.58 = 8,529.80/x
  3. Step 3: Cross multiply
    11,832.20x = 16,334.58 × 8,529.80
  4. Step 4: Simplify right side
    11,832.20x = 139,330,700.48
  5. Step 5: Solve for x
    x = 139,330,700.48/11,832.20
  6. Step 6: Final answer
    x = 11,775.55

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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.