Home / 12,728.02-19,092.06-3,494.02

Finding the Fourth Proportional to 12,728.02, 19,092.06 and 3,494.02

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Solution

The fourth proportional to 12,728.02, 19,092.06 and 3,494.02 is: 5,241.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,728.02 : 19,092.06 = 3,494.02 : x
  2. Step 2: Convert to fraction form
    12,728.02/19,092.06 = 3,494.02/x
  3. Step 3: Cross multiply
    12,728.02x = 19,092.06 × 3,494.02
  4. Step 4: Simplify right side
    12,728.02x = 66,708,039.48
  5. Step 5: Solve for x
    x = 66,708,039.48/12,728.02
  6. Step 6: Final answer
    x = 5,241.04

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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.