Home / 12,313.62-18,477.24-7,636.14

Finding the Fourth Proportional to 12,313.62, 18,477.24 and 7,636.14

Calculator

Solution

The fourth proportional to 12,313.62, 18,477.24 and 7,636.14 is: 11,458.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313.62 : 18,477.24 = 7,636.14 : x
  2. Step 2: Convert to fraction form
    12,313.62/18,477.24 = 7,636.14/x
  3. Step 3: Cross multiply
    12,313.62x = 18,477.24 × 7,636.14
  4. Step 4: Simplify right side
    12,313.62x = 141,094,791.45
  5. Step 5: Solve for x
    x = 141,094,791.45/12,313.62
  6. Step 6: Final answer
    x = 11,458.43

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.