Home / 15,481.67-21,344.38-11,171.14

Finding the Fourth Proportional to 15,481.67, 21,344.38 and 11,171.14

Calculator

Solution

The fourth proportional to 15,481.67, 21,344.38 and 11,171.14 is: 15,401.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,481.67 : 21,344.38 = 11,171.14 : x
  2. Step 2: Convert to fraction form
    15,481.67/21,344.38 = 11,171.14/x
  3. Step 3: Cross multiply
    15,481.67x = 21,344.38 × 11,171.14
  4. Step 4: Simplify right side
    15,481.67x = 238,441,075.02
  5. Step 5: Solve for x
    x = 238,441,075.02/15,481.67
  6. Step 6: Final answer
    x = 15,401.51

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.