Home / 12,165.12-16,786.44-6,859.62

Finding the Fourth Proportional to 12,165.12, 16,786.44 and 6,859.62

Calculator

Solution

The fourth proportional to 12,165.12, 16,786.44 and 6,859.62 is: 9,465.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165.12 : 16,786.44 = 6,859.62 : x
  2. Step 2: Convert to fraction form
    12,165.12/16,786.44 = 6,859.62/x
  3. Step 3: Cross multiply
    12,165.12x = 16,786.44 × 6,859.62
  4. Step 4: Simplify right side
    12,165.12x = 115,148,599.55
  5. Step 5: Solve for x
    x = 115,148,599.55/12,165.12
  6. Step 6: Final answer
    x = 9,465.47

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.