Home / 12,431.07-18,646.47-3,666.06

Finding the Fourth Proportional to 12,431.07, 18,646.47 and 3,666.06

Calculator

Solution

The fourth proportional to 12,431.07, 18,646.47 and 3,666.06 is: 5,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,431.07 : 18,646.47 = 3,666.06 : x
  2. Step 2: Convert to fraction form
    12,431.07/18,646.47 = 3,666.06/x
  3. Step 3: Cross multiply
    12,431.07x = 18,646.47 × 3,666.06
  4. Step 4: Simplify right side
    12,431.07x = 68,359,077.81
  5. Step 5: Solve for x
    x = 68,359,077.81/12,431.07
  6. Step 6: Final answer
    x = 5,499.05

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.