Home / 18,796.78-28,186.68-5,646.58

Finding the Fourth Proportional to 18,796.78, 28,186.68 and 5,646.58

Calculator

Solution

The fourth proportional to 18,796.78, 28,186.68 and 5,646.58 is: 8,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,796.78 : 28,186.68 = 5,646.58 : x
  2. Step 2: Convert to fraction form
    18,796.78/28,186.68 = 5,646.58/x
  3. Step 3: Cross multiply
    18,796.78x = 28,186.68 × 5,646.58
  4. Step 4: Simplify right side
    18,796.78x = 159,158,343.55
  5. Step 5: Solve for x
    x = 159,158,343.55/18,796.78
  6. Step 6: Final answer
    x = 8,467.32

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.