Home / 11,461.77-17,170.69-7,757.61

Finding the Fourth Proportional to 11,461.77, 17,170.69 and 7,757.61

Calculator

Solution

The fourth proportional to 11,461.77, 17,170.69 and 7,757.61 is: 11,621.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,461.77 : 17,170.69 = 7,757.61 : x
  2. Step 2: Convert to fraction form
    11,461.77/17,170.69 = 7,757.61/x
  3. Step 3: Cross multiply
    11,461.77x = 17,170.69 × 7,757.61
  4. Step 4: Simplify right side
    11,461.77x = 133,203,516.45
  5. Step 5: Solve for x
    x = 133,203,516.45/11,461.77
  6. Step 6: Final answer
    x = 11,621.55

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.