Home / 11,047.84-15,238.36-7,643.32

Finding the Fourth Proportional to 11,047.84, 15,238.36 and 7,643.32

Calculator

Solution

The fourth proportional to 11,047.84, 15,238.36 and 7,643.32 is: 10,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,047.84 : 15,238.36 = 7,643.32 : x
  2. Step 2: Convert to fraction form
    11,047.84/15,238.36 = 7,643.32/x
  3. Step 3: Cross multiply
    11,047.84x = 15,238.36 × 7,643.32
  4. Step 4: Simplify right side
    11,047.84x = 116,471,661.76
  5. Step 5: Solve for x
    x = 116,471,661.76/11,047.84
  6. Step 6: Final answer
    x = 10,542.48

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.