Home / 19,131.18-28,692.67-5,981.85

Finding the Fourth Proportional to 19,131.18, 28,692.67 and 5,981.85

Calculator

Solution

The fourth proportional to 19,131.18, 28,692.67 and 5,981.85 is: 8,971.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.18 : 28,692.67 = 5,981.85 : x
  2. Step 2: Convert to fraction form
    19,131.18/28,692.67 = 5,981.85/x
  3. Step 3: Cross multiply
    19,131.18x = 28,692.67 × 5,981.85
  4. Step 4: Simplify right side
    19,131.18x = 171,635,104.58
  5. Step 5: Solve for x
    x = 171,635,104.58/19,131.18
  6. Step 6: Final answer
    x = 8,971.49

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.