Home / 11,466.80-15,811.56-7,480.40

Finding the Fourth Proportional to 11,466.80, 15,811.56 and 7,480.40

Calculator

Solution

The fourth proportional to 11,466.80, 15,811.56 and 7,480.40 is: 10,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,466.80 : 15,811.56 = 7,480.40 : x
  2. Step 2: Convert to fraction form
    11,466.80/15,811.56 = 7,480.40/x
  3. Step 3: Cross multiply
    11,466.80x = 15,811.56 × 7,480.40
  4. Step 4: Simplify right side
    11,466.80x = 118,276,793.42
  5. Step 5: Solve for x
    x = 118,276,793.42/11,466.80
  6. Step 6: Final answer
    x = 10,314.72

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.