Home / 13,245.14-18,278.63-7,276.96

Finding the Fourth Proportional to 13,245.14, 18,278.63 and 7,276.96

Calculator

Solution

The fourth proportional to 13,245.14, 18,278.63 and 7,276.96 is: 10,042.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.14 : 18,278.63 = 7,276.96 : x
  2. Step 2: Convert to fraction form
    13,245.14/18,278.63 = 7,276.96/x
  3. Step 3: Cross multiply
    13,245.14x = 18,278.63 × 7,276.96
  4. Step 4: Simplify right side
    13,245.14x = 133,012,777.28
  5. Step 5: Solve for x
    x = 133,012,777.28/13,245.14
  6. Step 6: Final answer
    x = 10,042.39

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.