Home / 13,597.51-18,765.19-7,931.36

Finding the Fourth Proportional to 13,597.51, 18,765.19 and 7,931.36

Calculator

Solution

The fourth proportional to 13,597.51, 18,765.19 and 7,931.36 is: 10,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,597.51 : 18,765.19 = 7,931.36 : x
  2. Step 2: Convert to fraction form
    13,597.51/18,765.19 = 7,931.36/x
  3. Step 3: Cross multiply
    13,597.51x = 18,765.19 × 7,931.36
  4. Step 4: Simplify right side
    13,597.51x = 148,833,363.70
  5. Step 5: Solve for x
    x = 148,833,363.70/13,597.51
  6. Step 6: Final answer
    x = 10,945.64

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.