Home / 13,889.43-19,176.36-12,394.77

Finding the Fourth Proportional to 13,889.43, 19,176.36 and 12,394.77

Calculator

Solution

The fourth proportional to 13,889.43, 19,176.36 and 12,394.77 is: 17,112.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.43 : 19,176.36 = 12,394.77 : x
  2. Step 2: Convert to fraction form
    13,889.43/19,176.36 = 12,394.77/x
  3. Step 3: Cross multiply
    13,889.43x = 19,176.36 × 12,394.77
  4. Step 4: Simplify right side
    13,889.43x = 237,686,571.64
  5. Step 5: Solve for x
    x = 237,686,571.64/13,889.43
  6. Step 6: Final answer
    x = 17,112.77

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.