Home / 12,863.21-17,750.75-7,274.33

Finding the Fourth Proportional to 12,863.21, 17,750.75 and 7,274.33

Calculator

Solution

The fourth proportional to 12,863.21, 17,750.75 and 7,274.33 is: 10,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,863.21 : 17,750.75 = 7,274.33 : x
  2. Step 2: Convert to fraction form
    12,863.21/17,750.75 = 7,274.33/x
  3. Step 3: Cross multiply
    12,863.21x = 17,750.75 × 7,274.33
  4. Step 4: Simplify right side
    12,863.21x = 129,124,776.88
  5. Step 5: Solve for x
    x = 129,124,776.88/12,863.21
  6. Step 6: Final answer
    x = 10,038.30

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.