Home / 12,627.37-18,936.30-4,192.30

Finding the Fourth Proportional to 12,627.37, 18,936.30 and 4,192.30

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Solution

The fourth proportional to 12,627.37, 18,936.30 and 4,192.30 is: 6,286.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.37 : 18,936.30 = 4,192.30 : x
  2. Step 2: Convert to fraction form
    12,627.37/18,936.30 = 4,192.30/x
  3. Step 3: Cross multiply
    12,627.37x = 18,936.30 × 4,192.30
  4. Step 4: Simplify right side
    12,627.37x = 79,386,650.49
  5. Step 5: Solve for x
    x = 79,386,650.49/12,627.37
  6. Step 6: Final answer
    x = 6,286.87

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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.