Home / 11,774.85-17,651.30-3,978.21

Finding the Fourth Proportional to 11,774.85, 17,651.30 and 3,978.21

Calculator

Solution

The fourth proportional to 11,774.85, 17,651.30 and 3,978.21 is: 5,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,774.85 : 17,651.30 = 3,978.21 : x
  2. Step 2: Convert to fraction form
    11,774.85/17,651.30 = 3,978.21/x
  3. Step 3: Cross multiply
    11,774.85x = 17,651.30 × 3,978.21
  4. Step 4: Simplify right side
    11,774.85x = 70,220,558.28
  5. Step 5: Solve for x
    x = 70,220,558.28/11,774.85
  6. Step 6: Final answer
    x = 5,963.61

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.