Home / 12,702.66-19,054.98-3,817.30

Finding the Fourth Proportional to 12,702.66, 19,054.98 and 3,817.30

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Solution

The fourth proportional to 12,702.66, 19,054.98 and 3,817.30 is: 5,726.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,702.66 : 19,054.98 = 3,817.30 : x
  2. Step 2: Convert to fraction form
    12,702.66/19,054.98 = 3,817.30/x
  3. Step 3: Cross multiply
    12,702.66x = 19,054.98 × 3,817.30
  4. Step 4: Simplify right side
    12,702.66x = 72,738,517.97
  5. Step 5: Solve for x
    x = 72,738,517.97/12,702.66
  6. Step 6: Final answer
    x = 5,726.24

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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.