Home / 13,627.82-20,456.03-12,077.74

Finding the Fourth Proportional to 13,627.82, 20,456.03 and 12,077.74

Calculator

Solution

The fourth proportional to 13,627.82, 20,456.03 and 12,077.74 is: 18,129.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.82 : 20,456.03 = 12,077.74 : x
  2. Step 2: Convert to fraction form
    13,627.82/20,456.03 = 12,077.74/x
  3. Step 3: Cross multiply
    13,627.82x = 20,456.03 × 12,077.74
  4. Step 4: Simplify right side
    13,627.82x = 247,062,611.77
  5. Step 5: Solve for x
    x = 247,062,611.77/13,627.82
  6. Step 6: Final answer
    x = 18,129.28

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.