Home / 11,996.68-16,555.46-6,692.60

Finding the Fourth Proportional to 11,996.68, 16,555.46 and 6,692.60

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Solution

The fourth proportional to 11,996.68, 16,555.46 and 6,692.60 is: 9,235.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.68 : 16,555.46 = 6,692.60 : x
  2. Step 2: Convert to fraction form
    11,996.68/16,555.46 = 6,692.60/x
  3. Step 3: Cross multiply
    11,996.68x = 16,555.46 × 6,692.60
  4. Step 4: Simplify right side
    11,996.68x = 110,799,071.60
  5. Step 5: Solve for x
    x = 110,799,071.60/11,996.68
  6. Step 6: Final answer
    x = 9,235.81

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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.