Home / 12,844.22-19,266.41-3,959.43

Finding the Fourth Proportional to 12,844.22, 19,266.41 and 3,959.43

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Solution

The fourth proportional to 12,844.22, 19,266.41 and 3,959.43 is: 5,939.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,844.22 : 19,266.41 = 3,959.43 : x
  2. Step 2: Convert to fraction form
    12,844.22/19,266.41 = 3,959.43/x
  3. Step 3: Cross multiply
    12,844.22x = 19,266.41 × 3,959.43
  4. Step 4: Simplify right side
    12,844.22x = 76,283,981.95
  5. Step 5: Solve for x
    x = 76,283,981.95/12,844.22
  6. Step 6: Final answer
    x = 5,939.17

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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.