Home / 11,940.30-16,466.60-8,117.69

Finding the Fourth Proportional to 11,940.30, 16,466.60 and 8,117.69

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Solution

The fourth proportional to 11,940.30, 16,466.60 and 8,117.69 is: 11,194.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.30 : 16,466.60 = 8,117.69 : x
  2. Step 2: Convert to fraction form
    11,940.30/16,466.60 = 8,117.69/x
  3. Step 3: Cross multiply
    11,940.30x = 16,466.60 × 8,117.69
  4. Step 4: Simplify right side
    11,940.30x = 133,670,692.12
  5. Step 5: Solve for x
    x = 133,670,692.12/11,940.30
  6. Step 6: Final answer
    x = 11,194.92

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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.