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Finding the Fourth Proportional to 14,940.44, 22,411.10 and 8,361.48

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Solution

The fourth proportional to 14,940.44, 22,411.10 and 8,361.48 is: 12,542.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.44 : 22,411.10 = 8,361.48 : x
  2. Step 2: Convert to fraction form
    14,940.44/22,411.10 = 8,361.48/x
  3. Step 3: Cross multiply
    14,940.44x = 22,411.10 × 8,361.48
  4. Step 4: Simplify right side
    14,940.44x = 187,389,964.43
  5. Step 5: Solve for x
    x = 187,389,964.43/14,940.44
  6. Step 6: Final answer
    x = 12,542.47

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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.