Home / 13,380.17-18,463.91-7,411.48

Finding the Fourth Proportional to 13,380.17, 18,463.91 and 7,411.48

Calculator

Solution

The fourth proportional to 13,380.17, 18,463.91 and 7,411.48 is: 10,227.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380.17 : 18,463.91 = 7,411.48 : x
  2. Step 2: Convert to fraction form
    13,380.17/18,463.91 = 7,411.48/x
  3. Step 3: Cross multiply
    13,380.17x = 18,463.91 × 7,411.48
  4. Step 4: Simplify right side
    13,380.17x = 136,844,816.47
  5. Step 5: Solve for x
    x = 136,844,816.47/13,380.17
  6. Step 6: Final answer
    x = 10,227.44

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.