Home / 13,859.48-19,126.10-7,571.88

Finding the Fourth Proportional to 13,859.48, 19,126.10 and 7,571.88

Calculator

Solution

The fourth proportional to 13,859.48, 19,126.10 and 7,571.88 is: 10,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859.48 : 19,126.10 = 7,571.88 : x
  2. Step 2: Convert to fraction form
    13,859.48/19,126.10 = 7,571.88/x
  3. Step 3: Cross multiply
    13,859.48x = 19,126.10 × 7,571.88
  4. Step 4: Simplify right side
    13,859.48x = 144,820,534.07
  5. Step 5: Solve for x
    x = 144,820,534.07/13,859.48
  6. Step 6: Final answer
    x = 10,449.20

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.