Home / 12,551.28-17,313.57-7,827.36

Finding the Fourth Proportional to 12,551.28, 17,313.57 and 7,827.36

Calculator

Solution

The fourth proportional to 12,551.28, 17,313.57 and 7,827.36 is: 10,797.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.28 : 17,313.57 = 7,827.36 : x
  2. Step 2: Convert to fraction form
    12,551.28/17,313.57 = 7,827.36/x
  3. Step 3: Cross multiply
    12,551.28x = 17,313.57 × 7,827.36
  4. Step 4: Simplify right side
    12,551.28x = 135,519,545.28
  5. Step 5: Solve for x
    x = 135,519,545.28/12,551.28
  6. Step 6: Final answer
    x = 10,797.27

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.