Home / 12,770.25-19,164.12-4,450.26

Finding the Fourth Proportional to 12,770.25, 19,164.12 and 4,450.26

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Solution

The fourth proportional to 12,770.25, 19,164.12 and 4,450.26 is: 6,678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770.25 : 19,164.12 = 4,450.26 : x
  2. Step 2: Convert to fraction form
    12,770.25/19,164.12 = 4,450.26/x
  3. Step 3: Cross multiply
    12,770.25x = 19,164.12 × 4,450.26
  4. Step 4: Simplify right side
    12,770.25x = 85,285,316.67
  5. Step 5: Solve for x
    x = 85,285,316.67/12,770.25
  6. Step 6: Final answer
    x = 6,678.44

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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.