Home / 12,669.32-19,003.02-3,906.44

Finding the Fourth Proportional to 12,669.32, 19,003.02 and 3,906.44

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Solution

The fourth proportional to 12,669.32, 19,003.02 and 3,906.44 is: 5,859.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,669.32 : 19,003.02 = 3,906.44 : x
  2. Step 2: Convert to fraction form
    12,669.32/19,003.02 = 3,906.44/x
  3. Step 3: Cross multiply
    12,669.32x = 19,003.02 × 3,906.44
  4. Step 4: Simplify right side
    12,669.32x = 74,234,157.45
  5. Step 5: Solve for x
    x = 74,234,157.45/12,669.32
  6. Step 6: Final answer
    x = 5,859.36

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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.