Home / 13,511.92-18,649.56-7,924.72

Finding the Fourth Proportional to 13,511.92, 18,649.56 and 7,924.72

Calculator

Solution

The fourth proportional to 13,511.92, 18,649.56 and 7,924.72 is: 10,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,511.92 : 18,649.56 = 7,924.72 : x
  2. Step 2: Convert to fraction form
    13,511.92/18,649.56 = 7,924.72/x
  3. Step 3: Cross multiply
    13,511.92x = 18,649.56 × 7,924.72
  4. Step 4: Simplify right side
    13,511.92x = 147,792,541.12
  5. Step 5: Solve for x
    x = 147,792,541.12/13,511.92
  6. Step 6: Final answer
    x = 10,937.94

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.