Because the vast majority of personal loans are of the unsecured sort. For example, a 3-year $10,000 mortgage with a Prosper Score of AA would have an interest rate of 5.31% and a 2.41% origination charge for an annual percentage rate (APR) of 6.95% APR. Different lenders have different standards for who they provide loans to so compare suppliers and solely apply for as much cash as you need.