Home / 13,209.12-18,228.76-8,494.96

Finding the Fourth Proportional to 13,209.12, 18,228.76 and 8,494.96

Calculator

Solution

The fourth proportional to 13,209.12, 18,228.76 and 8,494.96 is: 11,723.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.12 : 18,228.76 = 8,494.96 : x
  2. Step 2: Convert to fraction form
    13,209.12/18,228.76 = 8,494.96/x
  3. Step 3: Cross multiply
    13,209.12x = 18,228.76 × 8,494.96
  4. Step 4: Simplify right side
    13,209.12x = 154,852,587.05
  5. Step 5: Solve for x
    x = 154,852,587.05/13,209.12
  6. Step 6: Final answer
    x = 11,723.16

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.