The Percent Daily Value (%DV) is shown on food labels to help the "average" consumer compare foods, while the adequate intake (AI) is meant to give people a more accurate daily target by age and gender. In this case, the daily value for fiber is likely set too low and should be revised higher by the FDA.
Here is the breakout of the adequate intake by age and gender for fiber: (4)
Differences in fiber requirements between men and women are established based on estimated energy needs, and data which suggests the amount of fiber for protective health affects against cardiovascular disease. In other words, men should consume more fiber to gain the health benefits.(4)