Home / 12,930.44-19,401.42-6,773

Finding the Fourth Proportional to 12,930.44, 19,401.42 and 6,773

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Solution

The fourth proportional to 12,930.44, 19,401.42 and 6,773 is: 10,162.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,930.44 : 19,401.42 = 6,773 : x
  2. Step 2: Convert to fraction form
    12,930.44/19,401.42 = 6,773/x
  3. Step 3: Cross multiply
    12,930.44x = 19,401.42 × 6,773
  4. Step 4: Simplify right side
    12,930.44x = 131,405,817.66
  5. Step 5: Solve for x
    x = 131,405,817.66/12,930.44
  6. Step 6: Final answer
    x = 10,162.52

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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.