Home / 9,715.76-13,409.95-6,880.18

Finding the Fourth Proportional to 9,715.76, 13,409.95 and 6,880.18

Calculator

Solution

The fourth proportional to 9,715.76, 13,409.95 and 6,880.18 is: 9,496.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715.76 : 13,409.95 = 6,880.18 : x
  2. Step 2: Convert to fraction form
    9,715.76/13,409.95 = 6,880.18/x
  3. Step 3: Cross multiply
    9,715.76x = 13,409.95 × 6,880.18
  4. Step 4: Simplify right side
    9,715.76x = 92,262,869.79
  5. Step 5: Solve for x
    x = 92,262,869.79/9,715.76
  6. Step 6: Final answer
    x = 9,496.21

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.