Home / 13,648.86-18,838.14-8,862.12

Finding the Fourth Proportional to 13,648.86, 18,838.14 and 8,862.12

Calculator

Solution

The fourth proportional to 13,648.86, 18,838.14 and 8,862.12 is: 12,231.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648.86 : 18,838.14 = 8,862.12 : x
  2. Step 2: Convert to fraction form
    13,648.86/18,838.14 = 8,862.12/x
  3. Step 3: Cross multiply
    13,648.86x = 18,838.14 × 8,862.12
  4. Step 4: Simplify right side
    13,648.86x = 166,945,857.26
  5. Step 5: Solve for x
    x = 166,945,857.26/13,648.86
  6. Step 6: Final answer
    x = 12,231.49

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.