Home / 9,436.70-13,021.22-5,187.94

Finding the Fourth Proportional to 9,436.70, 13,021.22 and 5,187.94

Calculator

Solution

The fourth proportional to 9,436.70, 13,021.22 and 5,187.94 is: 7,158.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,436.70 : 13,021.22 = 5,187.94 : x
  2. Step 2: Convert to fraction form
    9,436.70/13,021.22 = 5,187.94/x
  3. Step 3: Cross multiply
    9,436.70x = 13,021.22 × 5,187.94
  4. Step 4: Simplify right side
    9,436.70x = 67,553,249.59
  5. Step 5: Solve for x
    x = 67,553,249.59/9,436.70
  6. Step 6: Final answer
    x = 7,158.57

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.