Home / 13,645.53-18,831.60-7,677.63

Finding the Fourth Proportional to 13,645.53, 18,831.60 and 7,677.63

Calculator

Solution

The fourth proportional to 13,645.53, 18,831.60 and 7,677.63 is: 10,595.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645.53 : 18,831.60 = 7,677.63 : x
  2. Step 2: Convert to fraction form
    13,645.53/18,831.60 = 7,677.63/x
  3. Step 3: Cross multiply
    13,645.53x = 18,831.60 × 7,677.63
  4. Step 4: Simplify right side
    13,645.53x = 144,582,057.11
  5. Step 5: Solve for x
    x = 144,582,057.11/13,645.53
  6. Step 6: Final answer
    x = 10,595.56

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.