Home / 13,440.60-20,052.99-11,962.20

Finding the Fourth Proportional to 13,440.60, 20,052.99 and 11,962.20

Calculator

Solution

The fourth proportional to 13,440.60, 20,052.99 and 11,962.20 is: 17,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440.60 : 20,052.99 = 11,962.20 : x
  2. Step 2: Convert to fraction form
    13,440.60/20,052.99 = 11,962.20/x
  3. Step 3: Cross multiply
    13,440.60x = 20,052.99 × 11,962.20
  4. Step 4: Simplify right side
    13,440.60x = 239,877,876.98
  5. Step 5: Solve for x
    x = 239,877,876.98/13,440.60
  6. Step 6: Final answer
    x = 17,847.26

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.