Home / 11,769.30-17,690.40-11,550.60

Finding the Fourth Proportional to 11,769.30, 17,690.40 and 11,550.60

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Solution

The fourth proportional to 11,769.30, 17,690.40 and 11,550.60 is: 17,361.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.30 : 17,690.40 = 11,550.60 : x
  2. Step 2: Convert to fraction form
    11,769.30/17,690.40 = 11,550.60/x
  3. Step 3: Cross multiply
    11,769.30x = 17,690.40 × 11,550.60
  4. Step 4: Simplify right side
    11,769.30x = 204,334,734.24
  5. Step 5: Solve for x
    x = 204,334,734.24/11,769.30
  6. Step 6: Final answer
    x = 17,361.67

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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.