Home / 14,843.75-20,483.40-8,129.46

Finding the Fourth Proportional to 14,843.75, 20,483.40 and 8,129.46

Calculator

Solution

The fourth proportional to 14,843.75, 20,483.40 and 8,129.46 is: 11,218.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,843.75 : 20,483.40 = 8,129.46 : x
  2. Step 2: Convert to fraction form
    14,843.75/20,483.40 = 8,129.46/x
  3. Step 3: Cross multiply
    14,843.75x = 20,483.40 × 8,129.46
  4. Step 4: Simplify right side
    14,843.75x = 166,518,940.32
  5. Step 5: Solve for x
    x = 166,518,940.32/14,843.75
  6. Step 6: Final answer
    x = 11,218.12

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.