Home / 19,770.36-27,290.04-12,222.48

Finding the Fourth Proportional to 19,770.36, 27,290.04 and 12,222.48

Calculator

Solution

The fourth proportional to 19,770.36, 27,290.04 and 12,222.48 is: 16,871.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,770.36 : 27,290.04 = 12,222.48 : x
  2. Step 2: Convert to fraction form
    19,770.36/27,290.04 = 12,222.48/x
  3. Step 3: Cross multiply
    19,770.36x = 27,290.04 × 12,222.48
  4. Step 4: Simplify right side
    19,770.36x = 333,551,968.10
  5. Step 5: Solve for x
    x = 333,551,968.10/19,770.36
  6. Step 6: Final answer
    x = 16,871.31

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.