Home / 12,754.66-19,132.80-3,394.53

Finding the Fourth Proportional to 12,754.66, 19,132.80 and 3,394.53

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Solution

The fourth proportional to 12,754.66, 19,132.80 and 3,394.53 is: 5,092.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754.66 : 19,132.80 = 3,394.53 : x
  2. Step 2: Convert to fraction form
    12,754.66/19,132.80 = 3,394.53/x
  3. Step 3: Cross multiply
    12,754.66x = 19,132.80 × 3,394.53
  4. Step 4: Simplify right side
    12,754.66x = 64,946,863.58
  5. Step 5: Solve for x
    x = 64,946,863.58/12,754.66
  6. Step 6: Final answer
    x = 5,092.01

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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.