Home / 13,402.65-18,496.64-7,435.45

Finding the Fourth Proportional to 13,402.65, 18,496.64 and 7,435.45

Calculator

Solution

The fourth proportional to 13,402.65, 18,496.64 and 7,435.45 is: 10,261.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402.65 : 18,496.64 = 7,435.45 : x
  2. Step 2: Convert to fraction form
    13,402.65/18,496.64 = 7,435.45/x
  3. Step 3: Cross multiply
    13,402.65x = 18,496.64 × 7,435.45
  4. Step 4: Simplify right side
    13,402.65x = 137,530,841.89
  5. Step 5: Solve for x
    x = 137,530,841.89/13,402.65
  6. Step 6: Final answer
    x = 10,261.47

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.