Home / 13,586.44-20,382.72-4,821.34

Finding the Fourth Proportional to 13,586.44, 20,382.72 and 4,821.34

Calculator

Solution

The fourth proportional to 13,586.44, 20,382.72 and 4,821.34 is: 7,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.44 : 20,382.72 = 4,821.34 : x
  2. Step 2: Convert to fraction form
    13,586.44/20,382.72 = 4,821.34/x
  3. Step 3: Cross multiply
    13,586.44x = 20,382.72 × 4,821.34
  4. Step 4: Simplify right side
    13,586.44x = 98,272,023.24
  5. Step 5: Solve for x
    x = 98,272,023.24/13,586.44
  6. Step 6: Final answer
    x = 7,233.10

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.