Home / 18,515.39-27,772.07-6,827.63

Finding the Fourth Proportional to 18,515.39, 27,772.07 and 6,827.63

Calculator

Solution

The fourth proportional to 18,515.39, 27,772.07 and 6,827.63 is: 10,241.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515.39 : 27,772.07 = 6,827.63 : x
  2. Step 2: Convert to fraction form
    18,515.39/27,772.07 = 6,827.63/x
  3. Step 3: Cross multiply
    18,515.39x = 27,772.07 × 6,827.63
  4. Step 4: Simplify right side
    18,515.39x = 189,617,245.30
  5. Step 5: Solve for x
    x = 189,617,245.30/18,515.39
  6. Step 6: Final answer
    x = 10,241.06

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.