Home / 13,938.54-19,227.15-8,346.30

Finding the Fourth Proportional to 13,938.54, 19,227.15 and 8,346.30

Calculator

Solution

The fourth proportional to 13,938.54, 19,227.15 and 8,346.30 is: 11,513.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,938.54 : 19,227.15 = 8,346.30 : x
  2. Step 2: Convert to fraction form
    13,938.54/19,227.15 = 8,346.30/x
  3. Step 3: Cross multiply
    13,938.54x = 19,227.15 × 8,346.30
  4. Step 4: Simplify right side
    13,938.54x = 160,475,562.05
  5. Step 5: Solve for x
    x = 160,475,562.05/13,938.54
  6. Step 6: Final answer
    x = 11,513.08

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.