Home / 13,226.38-18,253-7,920.16

Finding the Fourth Proportional to 13,226.38, 18,253 and 7,920.16

Calculator

Solution

The fourth proportional to 13,226.38, 18,253 and 7,920.16 is: 10,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.38 : 18,253 = 7,920.16 : x
  2. Step 2: Convert to fraction form
    13,226.38/18,253 = 7,920.16/x
  3. Step 3: Cross multiply
    13,226.38x = 18,253 × 7,920.16
  4. Step 4: Simplify right side
    13,226.38x = 144,566,680.48
  5. Step 5: Solve for x
    x = 144,566,680.48/13,226.38
  6. Step 6: Final answer
    x = 10,930.18

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.