Hello Carla,
about your question , you have 2 parts :
1- How the interact , i think you may find about that in http://www.bexcellence.org/balanced-scorecard.html.
You can check also state medical insurance ct.http://www.bexcellence.org/balanced-scorecard.html.
2- How to balance : its simple after you have determine your Goals for every area , and how to Measure the Targets and achievements , calculate the cost for each area ( by analyzing each activity )and try to make them equal.