Calculate current in circuit with a current and voltage source
You're on the right track. Keep calculating the voltage across and current through each element working your way &quot;across&quot; the circuit from right to left.
If the voltage across the 4k resistor is 16V what is the voltage across the 2k resistor? What is the current through the 2k resistor? What is the current through the 1k resistor and so forth...