Home / 13,646.59-18,831.42-7,678.42

Finding the Fourth Proportional to 13,646.59, 18,831.42 and 7,678.42

Calculator

Solution

The fourth proportional to 13,646.59, 18,831.42 and 7,678.42 is: 10,595.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646.59 : 18,831.42 = 7,678.42 : x
  2. Step 2: Convert to fraction form
    13,646.59/18,831.42 = 7,678.42/x
  3. Step 3: Cross multiply
    13,646.59x = 18,831.42 × 7,678.42
  4. Step 4: Simplify right side
    13,646.59x = 144,595,504.88
  5. Step 5: Solve for x
    x = 144,595,504.88/13,646.59
  6. Step 6: Final answer
    x = 10,595.73

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.