Home / 15,767.40-23,651.10-12,851.40

Finding the Fourth Proportional to 15,767.40, 23,651.10 and 12,851.40

Calculator

Solution

The fourth proportional to 15,767.40, 23,651.10 and 12,851.40 is: 19,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,767.40 : 23,651.10 = 12,851.40 : x
  2. Step 2: Convert to fraction form
    15,767.40/23,651.10 = 12,851.40/x
  3. Step 3: Cross multiply
    15,767.40x = 23,651.10 × 12,851.40
  4. Step 4: Simplify right side
    15,767.40x = 303,949,746.54
  5. Step 5: Solve for x
    x = 303,949,746.54/15,767.40
  6. Step 6: Final answer
    x = 19,277.10

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.