Home / 11,153.23-16,716.85-8,204.22

Finding the Fourth Proportional to 11,153.23, 16,716.85 and 8,204.22

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Solution

The fourth proportional to 11,153.23, 16,716.85 and 8,204.22 is: 12,296.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.23 : 16,716.85 = 8,204.22 : x
  2. Step 2: Convert to fraction form
    11,153.23/16,716.85 = 8,204.22/x
  3. Step 3: Cross multiply
    11,153.23x = 16,716.85 × 8,204.22
  4. Step 4: Simplify right side
    11,153.23x = 137,148,694.60
  5. Step 5: Solve for x
    x = 137,148,694.60/11,153.23
  6. Step 6: Final answer
    x = 12,296.77

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1.5x scale

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.