Home / 13,254.27-19,881.20-3,393.47

Finding the Fourth Proportional to 13,254.27, 19,881.20 and 3,393.47

Calculator

Solution

The fourth proportional to 13,254.27, 19,881.20 and 3,393.47 is: 5,090.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.27 : 19,881.20 = 3,393.47 : x
  2. Step 2: Convert to fraction form
    13,254.27/19,881.20 = 3,393.47/x
  3. Step 3: Cross multiply
    13,254.27x = 19,881.20 × 3,393.47
  4. Step 4: Simplify right side
    13,254.27x = 67,466,139.39
  5. Step 5: Solve for x
    x = 67,466,139.39/13,254.27
  6. Step 6: Final answer
    x = 5,090.14

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.