Home / 18,303.36-27,436.20-7,205.55

Finding the Fourth Proportional to 18,303.36, 27,436.20 and 7,205.55

Calculator

Solution

The fourth proportional to 18,303.36, 27,436.20 and 7,205.55 is: 10,800.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.36 : 27,436.20 = 7,205.55 : x
  2. Step 2: Convert to fraction form
    18,303.36/27,436.20 = 7,205.55/x
  3. Step 3: Cross multiply
    18,303.36x = 27,436.20 × 7,205.55
  4. Step 4: Simplify right side
    18,303.36x = 197,692,910.91
  5. Step 5: Solve for x
    x = 197,692,910.91/18,303.36
  6. Step 6: Final answer
    x = 10,800.91

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.