Home / 15,931.92-21,953.65-12,324.97

Finding the Fourth Proportional to 15,931.92, 21,953.65 and 12,324.97

Calculator

Solution

The fourth proportional to 15,931.92, 21,953.65 and 12,324.97 is: 16,983.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,931.92 : 21,953.65 = 12,324.97 : x
  2. Step 2: Convert to fraction form
    15,931.92/21,953.65 = 12,324.97/x
  3. Step 3: Cross multiply
    15,931.92x = 21,953.65 × 12,324.97
  4. Step 4: Simplify right side
    15,931.92x = 270,578,077.64
  5. Step 5: Solve for x
    x = 270,578,077.64/15,931.92
  6. Step 6: Final answer
    x = 16,983.39

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.