Home / 12,436.30-17,161.68-6,770.94

Finding the Fourth Proportional to 12,436.30, 17,161.68 and 6,770.94

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Solution

The fourth proportional to 12,436.30, 17,161.68 and 6,770.94 is: 9,343.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.30 : 17,161.68 = 6,770.94 : x
  2. Step 2: Convert to fraction form
    12,436.30/17,161.68 = 6,770.94/x
  3. Step 3: Cross multiply
    12,436.30x = 17,161.68 × 6,770.94
  4. Step 4: Simplify right side
    12,436.30x = 116,200,705.58
  5. Step 5: Solve for x
    x = 116,200,705.58/12,436.30
  6. Step 6: Final answer
    x = 9,343.67

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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.