Home / 12,022.80-18,034.20-9,974.80

Finding the Fourth Proportional to 12,022.80, 18,034.20 and 9,974.80

Calculator

Solution

The fourth proportional to 12,022.80, 18,034.20 and 9,974.80 is: 14,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.80 : 18,034.20 = 9,974.80 : x
  2. Step 2: Convert to fraction form
    12,022.80/18,034.20 = 9,974.80/x
  3. Step 3: Cross multiply
    12,022.80x = 18,034.20 × 9,974.80
  4. Step 4: Simplify right side
    12,022.80x = 179,887,538.16
  5. Step 5: Solve for x
    x = 179,887,538.16/12,022.80
  6. Step 6: Final answer
    x = 14,962.20

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.