Home / 15,145.26-20,899.97-8,430.66

Finding the Fourth Proportional to 15,145.26, 20,899.97 and 8,430.66

Calculator

Solution

The fourth proportional to 15,145.26, 20,899.97 and 8,430.66 is: 11,634.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.26 : 20,899.97 = 8,430.66 : x
  2. Step 2: Convert to fraction form
    15,145.26/20,899.97 = 8,430.66/x
  3. Step 3: Cross multiply
    15,145.26x = 20,899.97 × 8,430.66
  4. Step 4: Simplify right side
    15,145.26x = 176,200,498.93
  5. Step 5: Solve for x
    x = 176,200,498.93/15,145.26
  6. Step 6: Final answer
    x = 11,634.04

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.