Home / 20,273.18-30,406.47-7,122.48

Finding the Fourth Proportional to 20,273.18, 30,406.47 and 7,122.48

Calculator

Solution

The fourth proportional to 20,273.18, 30,406.47 and 7,122.48 is: 10,682.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273.18 : 30,406.47 = 7,122.48 : x
  2. Step 2: Convert to fraction form
    20,273.18/30,406.47 = 7,122.48/x
  3. Step 3: Cross multiply
    20,273.18x = 30,406.47 × 7,122.48
  4. Step 4: Simplify right side
    20,273.18x = 216,569,360.42
  5. Step 5: Solve for x
    x = 216,569,360.42/20,273.18
  6. Step 6: Final answer
    x = 10,682.55

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.