Home / 22,471.92-31,011-12,400.44

Finding the Fourth Proportional to 22,471.92, 31,011 and 12,400.44

Calculator

Solution

The fourth proportional to 22,471.92, 31,011 and 12,400.44 is: 17,112.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,471.92 : 31,011 = 12,400.44 : x
  2. Step 2: Convert to fraction form
    22,471.92/31,011 = 12,400.44/x
  3. Step 3: Cross multiply
    22,471.92x = 31,011 × 12,400.44
  4. Step 4: Simplify right side
    22,471.92x = 384,550,044.84
  5. Step 5: Solve for x
    x = 384,550,044.84/22,471.92
  6. Step 6: Final answer
    x = 17,112.47

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.