Home / 12,812.99-17,682.03-7,707.76

Finding the Fourth Proportional to 12,812.99, 17,682.03 and 7,707.76

Calculator

Solution

The fourth proportional to 12,812.99, 17,682.03 and 7,707.76 is: 10,636.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812.99 : 17,682.03 = 7,707.76 : x
  2. Step 2: Convert to fraction form
    12,812.99/17,682.03 = 7,707.76/x
  3. Step 3: Cross multiply
    12,812.99x = 17,682.03 × 7,707.76
  4. Step 4: Simplify right side
    12,812.99x = 136,288,799.35
  5. Step 5: Solve for x
    x = 136,288,799.35/12,812.99
  6. Step 6: Final answer
    x = 10,636.77

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.