Home / 12,853.25-19,281.41-4,531.54

Finding the Fourth Proportional to 12,853.25, 19,281.41 and 4,531.54

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Solution

The fourth proportional to 12,853.25, 19,281.41 and 4,531.54 is: 6,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,853.25 : 19,281.41 = 4,531.54 : x
  2. Step 2: Convert to fraction form
    12,853.25/19,281.41 = 4,531.54/x
  3. Step 3: Cross multiply
    12,853.25x = 19,281.41 × 4,531.54
  4. Step 4: Simplify right side
    12,853.25x = 87,374,361.61
  5. Step 5: Solve for x
    x = 87,374,361.61/12,853.25
  6. Step 6: Final answer
    x = 6,797.84

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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.