Home / 12,876.24-19,313.32-5,085.12

Finding the Fourth Proportional to 12,876.24, 19,313.32 and 5,085.12

Calculator

Solution

The fourth proportional to 12,876.24, 19,313.32 and 5,085.12 is: 7,627.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876.24 : 19,313.32 = 5,085.12 : x
  2. Step 2: Convert to fraction form
    12,876.24/19,313.32 = 5,085.12/x
  3. Step 3: Cross multiply
    12,876.24x = 19,313.32 × 5,085.12
  4. Step 4: Simplify right side
    12,876.24x = 98,210,549.80
  5. Step 5: Solve for x
    x = 98,210,549.80/12,876.24
  6. Step 6: Final answer
    x = 7,627.27

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.