Home / 21,267.20-29,348.45-11,835.76

Finding the Fourth Proportional to 21,267.20, 29,348.45 and 11,835.76

Calculator

Solution

The fourth proportional to 21,267.20, 29,348.45 and 11,835.76 is: 16,333.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,267.20 : 29,348.45 = 11,835.76 : x
  2. Step 2: Convert to fraction form
    21,267.20/29,348.45 = 11,835.76/x
  3. Step 3: Cross multiply
    21,267.20x = 29,348.45 × 11,835.76
  4. Step 4: Simplify right side
    21,267.20x = 347,361,254.35
  5. Step 5: Solve for x
    x = 347,361,254.35/21,267.20
  6. Step 6: Final answer
    x = 16,333.19

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.