Home / 12,427.37-18,640.96-3,662.16

Finding the Fourth Proportional to 12,427.37, 18,640.96 and 3,662.16

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Solution

The fourth proportional to 12,427.37, 18,640.96 and 3,662.16 is: 5,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427.37 : 18,640.96 = 3,662.16 : x
  2. Step 2: Convert to fraction form
    12,427.37/18,640.96 = 3,662.16/x
  3. Step 3: Cross multiply
    12,427.37x = 18,640.96 × 3,662.16
  4. Step 4: Simplify right side
    12,427.37x = 68,266,178.07
  5. Step 5: Solve for x
    x = 68,266,178.07/12,427.37
  6. Step 6: Final answer
    x = 5,493.21

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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.