Home / 11,692.56-16,135.68-6,657.72

Finding the Fourth Proportional to 11,692.56, 16,135.68 and 6,657.72

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Solution

The fourth proportional to 11,692.56, 16,135.68 and 6,657.72 is: 9,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,692.56 : 16,135.68 = 6,657.72 : x
  2. Step 2: Convert to fraction form
    11,692.56/16,135.68 = 6,657.72/x
  3. Step 3: Cross multiply
    11,692.56x = 16,135.68 × 6,657.72
  4. Step 4: Simplify right side
    11,692.56x = 107,426,839.45
  5. Step 5: Solve for x
    x = 107,426,839.45/11,692.56
  6. Step 6: Final answer
    x = 9,187.62

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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.