Home / 11,429.68-15,774.04-7,181.44

Finding the Fourth Proportional to 11,429.68, 15,774.04 and 7,181.44

Calculator

Solution

The fourth proportional to 11,429.68, 15,774.04 and 7,181.44 is: 9,911.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,429.68 : 15,774.04 = 7,181.44 : x
  2. Step 2: Convert to fraction form
    11,429.68/15,774.04 = 7,181.44/x
  3. Step 3: Cross multiply
    11,429.68x = 15,774.04 × 7,181.44
  4. Step 4: Simplify right side
    11,429.68x = 113,280,321.82
  5. Step 5: Solve for x
    x = 113,280,321.82/11,429.68
  6. Step 6: Final answer
    x = 9,911.07

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.