Home / 18,618.69-27,931.95-5,469.96

Finding the Fourth Proportional to 18,618.69, 27,931.95 and 5,469.96

Calculator

Solution

The fourth proportional to 18,618.69, 27,931.95 and 5,469.96 is: 8,206.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618.69 : 27,931.95 = 5,469.96 : x
  2. Step 2: Convert to fraction form
    18,618.69/27,931.95 = 5,469.96/x
  3. Step 3: Cross multiply
    18,618.69x = 27,931.95 × 5,469.96
  4. Step 4: Simplify right side
    18,618.69x = 152,786,649.22
  5. Step 5: Solve for x
    x = 152,786,649.22/18,618.69
  6. Step 6: Final answer
    x = 8,206.09

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.