Home / 12,949.03-19,418.66-4,181.59

Finding the Fourth Proportional to 12,949.03, 19,418.66 and 4,181.59

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Solution

The fourth proportional to 12,949.03, 19,418.66 and 4,181.59 is: 6,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949.03 : 19,418.66 = 4,181.59 : x
  2. Step 2: Convert to fraction form
    12,949.03/19,418.66 = 4,181.59/x
  3. Step 3: Cross multiply
    12,949.03x = 19,418.66 × 4,181.59
  4. Step 4: Simplify right side
    12,949.03x = 81,200,756.47
  5. Step 5: Solve for x
    x = 81,200,756.47/12,949.03
  6. Step 6: Final answer
    x = 6,270.80

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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.