Home / 11,572.88-15,974.67-6,857.16

Finding the Fourth Proportional to 11,572.88, 15,974.67 and 6,857.16

Calculator

Solution

The fourth proportional to 11,572.88, 15,974.67 and 6,857.16 is: 9,465.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.88 : 15,974.67 = 6,857.16 : x
  2. Step 2: Convert to fraction form
    11,572.88/15,974.67 = 6,857.16/x
  3. Step 3: Cross multiply
    11,572.88x = 15,974.67 × 6,857.16
  4. Step 4: Simplify right side
    11,572.88x = 109,540,795.38
  5. Step 5: Solve for x
    x = 109,540,795.38/11,572.88
  6. Step 6: Final answer
    x = 9,465.31

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.