Home / 12,757.90-17,614.47-11,409.31

Finding the Fourth Proportional to 12,757.90, 17,614.47 and 11,409.31

Calculator

Solution

The fourth proportional to 12,757.90, 17,614.47 and 11,409.31 is: 15,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757.90 : 17,614.47 = 11,409.31 : x
  2. Step 2: Convert to fraction form
    12,757.90/17,614.47 = 11,409.31/x
  3. Step 3: Cross multiply
    12,757.90x = 17,614.47 × 11,409.31
  4. Step 4: Simplify right side
    12,757.90x = 200,968,948.72
  5. Step 5: Solve for x
    x = 200,968,948.72/12,757.90
  6. Step 6: Final answer
    x = 15,752.51

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.