Home / 18,973.04-28,435.08-9,091.76

Finding the Fourth Proportional to 18,973.04, 28,435.08 and 9,091.76

Calculator

Solution

The fourth proportional to 18,973.04, 28,435.08 and 9,091.76 is: 13,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,973.04 : 28,435.08 = 9,091.76 : x
  2. Step 2: Convert to fraction form
    18,973.04/28,435.08 = 9,091.76/x
  3. Step 3: Cross multiply
    18,973.04x = 28,435.08 × 9,091.76
  4. Step 4: Simplify right side
    18,973.04x = 258,524,922.94
  5. Step 5: Solve for x
    x = 258,524,922.94/18,973.04
  6. Step 6: Final answer
    x = 13,625.91

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.