Home / 22,382.46-30,889.80-12,312.90

Finding the Fourth Proportional to 22,382.46, 30,889.80 and 12,312.90

Calculator

Solution

The fourth proportional to 22,382.46, 30,889.80 and 12,312.90 is: 16,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,382.46 : 30,889.80 = 12,312.90 : x
  2. Step 2: Convert to fraction form
    22,382.46/30,889.80 = 12,312.90/x
  3. Step 3: Cross multiply
    22,382.46x = 30,889.80 × 12,312.90
  4. Step 4: Simplify right side
    22,382.46x = 380,343,018.42
  5. Step 5: Solve for x
    x = 380,343,018.42/22,382.46
  6. Step 6: Final answer
    x = 16,992.91

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.