Home / 20,212.74-30,263.22-10,330.74

Finding the Fourth Proportional to 20,212.74, 30,263.22 and 10,330.74

Calculator

Solution

The fourth proportional to 20,212.74, 30,263.22 and 10,330.74 is: 15,467.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212.74 : 30,263.22 = 10,330.74 : x
  2. Step 2: Convert to fraction form
    20,212.74/30,263.22 = 10,330.74/x
  3. Step 3: Cross multiply
    20,212.74x = 30,263.22 × 10,330.74
  4. Step 4: Simplify right side
    20,212.74x = 312,641,457.38
  5. Step 5: Solve for x
    x = 312,641,457.38/20,212.74
  6. Step 6: Final answer
    x = 15,467.54

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.