Home / 18,741.54-28,047.11-11,622.45

Finding the Fourth Proportional to 18,741.54, 28,047.11 and 11,622.45

Calculator

Solution

The fourth proportional to 18,741.54, 28,047.11 and 11,622.45 is: 17,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.54 : 28,047.11 = 11,622.45 : x
  2. Step 2: Convert to fraction form
    18,741.54/28,047.11 = 11,622.45/x
  3. Step 3: Cross multiply
    18,741.54x = 28,047.11 × 11,622.45
  4. Step 4: Simplify right side
    18,741.54x = 325,976,075.51
  5. Step 5: Solve for x
    x = 325,976,075.51/18,741.54
  6. Step 6: Final answer
    x = 17,393.24

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.