Home / 8,545.81-12,803.31-8,031.16

Finding the Fourth Proportional to 8,545.81, 12,803.31 and 8,031.16

Calculator

Solution

The fourth proportional to 8,545.81, 12,803.31 and 8,031.16 is: 12,032.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.81 : 12,803.31 = 8,031.16 : x
  2. Step 2: Convert to fraction form
    8,545.81/12,803.31 = 8,031.16/x
  3. Step 3: Cross multiply
    8,545.81x = 12,803.31 × 8,031.16
  4. Step 4: Simplify right side
    8,545.81x = 102,825,431.14
  5. Step 5: Solve for x
    x = 102,825,431.14/8,545.81
  6. Step 6: Final answer
    x = 12,032.26

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.