Home / 11,723.76-16,178.79-6,418.91

Finding the Fourth Proportional to 11,723.76, 16,178.79 and 6,418.91

Calculator

Solution

The fourth proportional to 11,723.76, 16,178.79 and 6,418.91 is: 8,858.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.76 : 16,178.79 = 6,418.91 : x
  2. Step 2: Convert to fraction form
    11,723.76/16,178.79 = 6,418.91/x
  3. Step 3: Cross multiply
    11,723.76x = 16,178.79 × 6,418.91
  4. Step 4: Simplify right side
    11,723.76x = 103,850,116.02
  5. Step 5: Solve for x
    x = 103,850,116.02/11,723.76
  6. Step 6: Final answer
    x = 8,858.09

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.