Home / 12,625.85-18,936.95-3,858.41

Finding the Fourth Proportional to 12,625.85, 18,936.95 and 3,858.41

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Solution

The fourth proportional to 12,625.85, 18,936.95 and 3,858.41 is: 5,787.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.85 : 18,936.95 = 3,858.41 : x
  2. Step 2: Convert to fraction form
    12,625.85/18,936.95 = 3,858.41/x
  3. Step 3: Cross multiply
    12,625.85x = 18,936.95 × 3,858.41
  4. Step 4: Simplify right side
    12,625.85x = 73,066,542.35
  5. Step 5: Solve for x
    x = 73,066,542.35/12,625.85
  6. Step 6: Final answer
    x = 5,787.06

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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.