Home / 11,910.57-16,438.72-6,874.08

Finding the Fourth Proportional to 11,910.57, 16,438.72 and 6,874.08

Calculator

Solution

The fourth proportional to 11,910.57, 16,438.72 and 6,874.08 is: 9,487.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.57 : 16,438.72 = 6,874.08 : x
  2. Step 2: Convert to fraction form
    11,910.57/16,438.72 = 6,874.08/x
  3. Step 3: Cross multiply
    11,910.57x = 16,438.72 × 6,874.08
  4. Step 4: Simplify right side
    11,910.57x = 113,001,076.38
  5. Step 5: Solve for x
    x = 113,001,076.38/11,910.57
  6. Step 6: Final answer
    x = 9,487.46

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.