Home / 13,678.56-18,881.10-8,015.13

Finding the Fourth Proportional to 13,678.56, 18,881.10 and 8,015.13

Calculator

Solution

The fourth proportional to 13,678.56, 18,881.10 and 8,015.13 is: 11,063.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,678.56 : 18,881.10 = 8,015.13 : x
  2. Step 2: Convert to fraction form
    13,678.56/18,881.10 = 8,015.13/x
  3. Step 3: Cross multiply
    13,678.56x = 18,881.10 × 8,015.13
  4. Step 4: Simplify right side
    13,678.56x = 151,334,471.04
  5. Step 5: Solve for x
    x = 151,334,471.04/13,678.56
  6. Step 6: Final answer
    x = 11,063.63

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.