Home / 13,772.87-19,006.68-7,485.25

Finding the Fourth Proportional to 13,772.87, 19,006.68 and 7,485.25

Calculator

Solution

The fourth proportional to 13,772.87, 19,006.68 and 7,485.25 is: 10,329.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.87 : 19,006.68 = 7,485.25 : x
  2. Step 2: Convert to fraction form
    13,772.87/19,006.68 = 7,485.25/x
  3. Step 3: Cross multiply
    13,772.87x = 19,006.68 × 7,485.25
  4. Step 4: Simplify right side
    13,772.87x = 142,269,751.47
  5. Step 5: Solve for x
    x = 142,269,751.47/13,772.87
  6. Step 6: Final answer
    x = 10,329.71

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.