Home / 19,845.76-29,768.64-9,425.92

Finding the Fourth Proportional to 19,845.76, 29,768.64 and 9,425.92

Calculator

Solution

The fourth proportional to 19,845.76, 29,768.64 and 9,425.92 is: 14,138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,845.76 : 29,768.64 = 9,425.92 : x
  2. Step 2: Convert to fraction form
    19,845.76/29,768.64 = 9,425.92/x
  3. Step 3: Cross multiply
    19,845.76x = 29,768.64 × 9,425.92
  4. Step 4: Simplify right side
    19,845.76x = 280,596,819.15
  5. Step 5: Solve for x
    x = 280,596,819.15/19,845.76
  6. Step 6: Final answer
    x = 14,138.88

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.