Home / 13,211.43-19,818.87-4,323.66

Finding the Fourth Proportional to 13,211.43, 19,818.87 and 4,323.66

Calculator

Solution

The fourth proportional to 13,211.43, 19,818.87 and 4,323.66 is: 6,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211.43 : 19,818.87 = 4,323.66 : x
  2. Step 2: Convert to fraction form
    13,211.43/19,818.87 = 4,323.66/x
  3. Step 3: Cross multiply
    13,211.43x = 19,818.87 × 4,323.66
  4. Step 4: Simplify right side
    13,211.43x = 85,690,055.46
  5. Step 5: Solve for x
    x = 85,690,055.46/13,211.43
  6. Step 6: Final answer
    x = 6,486.05

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.