Home / 18,862.58-28,297.49-7,174.86

Finding the Fourth Proportional to 18,862.58, 28,297.49 and 7,174.86

Calculator

Solution

The fourth proportional to 18,862.58, 28,297.49 and 7,174.86 is: 10,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.58 : 28,297.49 = 7,174.86 : x
  2. Step 2: Convert to fraction form
    18,862.58/28,297.49 = 7,174.86/x
  3. Step 3: Cross multiply
    18,862.58x = 28,297.49 × 7,174.86
  4. Step 4: Simplify right side
    18,862.58x = 203,030,493.23
  5. Step 5: Solve for x
    x = 203,030,493.23/18,862.58
  6. Step 6: Final answer
    x = 10,763.67

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.