Home / 10,619.63-15,839.84-9,221.97

Finding the Fourth Proportional to 10,619.63, 15,839.84 and 9,221.97

Calculator

Solution

The fourth proportional to 10,619.63, 15,839.84 and 9,221.97 is: 13,755.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.63 : 15,839.84 = 9,221.97 : x
  2. Step 2: Convert to fraction form
    10,619.63/15,839.84 = 9,221.97/x
  3. Step 3: Cross multiply
    10,619.63x = 15,839.84 × 9,221.97
  4. Step 4: Simplify right side
    10,619.63x = 146,074,529.28
  5. Step 5: Solve for x
    x = 146,074,529.28/10,619.63
  6. Step 6: Final answer
    x = 13,755.14

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.