Home / 13,783.32-19,021.38-8,481.24

Finding the Fourth Proportional to 13,783.32, 19,021.38 and 8,481.24

Calculator

Solution

The fourth proportional to 13,783.32, 19,021.38 and 8,481.24 is: 11,704.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.32 : 19,021.38 = 8,481.24 : x
  2. Step 2: Convert to fraction form
    13,783.32/19,021.38 = 8,481.24/x
  3. Step 3: Cross multiply
    13,783.32x = 19,021.38 × 8,481.24
  4. Step 4: Simplify right side
    13,783.32x = 161,324,888.91
  5. Step 5: Solve for x
    x = 161,324,888.91/13,783.32
  6. Step 6: Final answer
    x = 11,704.36

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.