Home / 11,617.58-17,420.90-4,216.86

Finding the Fourth Proportional to 11,617.58, 17,420.90 and 4,216.86

Calculator

Solution

The fourth proportional to 11,617.58, 17,420.90 and 4,216.86 is: 6,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.58 : 17,420.90 = 4,216.86 : x
  2. Step 2: Convert to fraction form
    11,617.58/17,420.90 = 4,216.86/x
  3. Step 3: Cross multiply
    11,617.58x = 17,420.90 × 4,216.86
  4. Step 4: Simplify right side
    11,617.58x = 73,461,496.37
  5. Step 5: Solve for x
    x = 73,461,496.37/11,617.58
  6. Step 6: Final answer
    x = 6,323.30

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.