Home / 10,131.29-13,981.62-5,655.06

Finding the Fourth Proportional to 10,131.29, 13,981.62 and 5,655.06

Calculator

Solution

The fourth proportional to 10,131.29, 13,981.62 and 5,655.06 is: 7,804.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.29 : 13,981.62 = 5,655.06 : x
  2. Step 2: Convert to fraction form
    10,131.29/13,981.62 = 5,655.06/x
  3. Step 3: Cross multiply
    10,131.29x = 13,981.62 × 5,655.06
  4. Step 4: Simplify right side
    10,131.29x = 79,066,900.00
  5. Step 5: Solve for x
    x = 79,066,900.00/10,131.29
  6. Step 6: Final answer
    x = 7,804.23

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.