Home / 13,055.95-18,012.92-7,390.13

Finding the Fourth Proportional to 13,055.95, 18,012.92 and 7,390.13

Calculator

Solution

The fourth proportional to 13,055.95, 18,012.92 and 7,390.13 is: 10,195.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055.95 : 18,012.92 = 7,390.13 : x
  2. Step 2: Convert to fraction form
    13,055.95/18,012.92 = 7,390.13/x
  3. Step 3: Cross multiply
    13,055.95x = 18,012.92 × 7,390.13
  4. Step 4: Simplify right side
    13,055.95x = 133,117,828.56
  5. Step 5: Solve for x
    x = 133,117,828.56/13,055.95
  6. Step 6: Final answer
    x = 10,195.95

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.