Home / 11,648.92-16,078.62-7,173.40

Finding the Fourth Proportional to 11,648.92, 16,078.62 and 7,173.40

Calculator

Solution

The fourth proportional to 11,648.92, 16,078.62 and 7,173.40 is: 9,901.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,648.92 : 16,078.62 = 7,173.40 : x
  2. Step 2: Convert to fraction form
    11,648.92/16,078.62 = 7,173.40/x
  3. Step 3: Cross multiply
    11,648.92x = 16,078.62 × 7,173.40
  4. Step 4: Simplify right side
    11,648.92x = 115,338,372.71
  5. Step 5: Solve for x
    x = 115,338,372.71/11,648.92
  6. Step 6: Final answer
    x = 9,901.21

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.