Home / 13,407.50-20,111.26-5,616.32

Finding the Fourth Proportional to 13,407.50, 20,111.26 and 5,616.32

Calculator

Solution

The fourth proportional to 13,407.50, 20,111.26 and 5,616.32 is: 8,424.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407.50 : 20,111.26 = 5,616.32 : x
  2. Step 2: Convert to fraction form
    13,407.50/20,111.26 = 5,616.32/x
  3. Step 3: Cross multiply
    13,407.50x = 20,111.26 × 5,616.32
  4. Step 4: Simplify right side
    13,407.50x = 112,951,271.76
  5. Step 5: Solve for x
    x = 112,951,271.76/13,407.50
  6. Step 6: Final answer
    x = 8,424.48

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.