Home / 20,266.20-27,966.45-11,313.49

Finding the Fourth Proportional to 20,266.20, 27,966.45 and 11,313.49

Calculator

Solution

The fourth proportional to 20,266.20, 27,966.45 and 11,313.49 is: 15,612.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,266.20 : 27,966.45 = 11,313.49 : x
  2. Step 2: Convert to fraction form
    20,266.20/27,966.45 = 11,313.49/x
  3. Step 3: Cross multiply
    20,266.20x = 27,966.45 × 11,313.49
  4. Step 4: Simplify right side
    20,266.20x = 316,398,152.41
  5. Step 5: Solve for x
    x = 316,398,152.41/20,266.20
  6. Step 6: Final answer
    x = 15,612.11

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.