Home / 18,756.75-28,138.92-8,368.50

Finding the Fourth Proportional to 18,756.75, 28,138.92 and 8,368.50

Calculator

Solution

The fourth proportional to 18,756.75, 28,138.92 and 8,368.50 is: 12,554.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756.75 : 28,138.92 = 8,368.50 : x
  2. Step 2: Convert to fraction form
    18,756.75/28,138.92 = 8,368.50/x
  3. Step 3: Cross multiply
    18,756.75x = 28,138.92 × 8,368.50
  4. Step 4: Simplify right side
    18,756.75x = 235,480,552.02
  5. Step 5: Solve for x
    x = 235,480,552.02/18,756.75
  6. Step 6: Final answer
    x = 12,554.44

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.