Home / 18,095.40-27,090.30-12,911.40

Finding the Fourth Proportional to 18,095.40, 27,090.30 and 12,911.40

Calculator

Solution

The fourth proportional to 18,095.40, 27,090.30 and 12,911.40 is: 19,329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,095.40 : 27,090.30 = 12,911.40 : x
  2. Step 2: Convert to fraction form
    18,095.40/27,090.30 = 12,911.40/x
  3. Step 3: Cross multiply
    18,095.40x = 27,090.30 × 12,911.40
  4. Step 4: Simplify right side
    18,095.40x = 349,773,699.42
  5. Step 5: Solve for x
    x = 349,773,699.42/18,095.40
  6. Step 6: Final answer
    x = 19,329.43

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.