Home / 12,695.96-17,514.56-8,221.16

Finding the Fourth Proportional to 12,695.96, 17,514.56 and 8,221.16

Calculator

Solution

The fourth proportional to 12,695.96, 17,514.56 and 8,221.16 is: 11,341.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695.96 : 17,514.56 = 8,221.16 : x
  2. Step 2: Convert to fraction form
    12,695.96/17,514.56 = 8,221.16/x
  3. Step 3: Cross multiply
    12,695.96x = 17,514.56 × 8,221.16
  4. Step 4: Simplify right side
    12,695.96x = 143,990,064.43
  5. Step 5: Solve for x
    x = 143,990,064.43/12,695.96
  6. Step 6: Final answer
    x = 11,341.41

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.