Home / 21,069.38-29,068.77-13,902.86

Finding the Fourth Proportional to 21,069.38, 29,068.77 and 13,902.86

Calculator

Solution

The fourth proportional to 21,069.38, 29,068.77 and 13,902.86 is: 19,181.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,069.38 : 29,068.77 = 13,902.86 : x
  2. Step 2: Convert to fraction form
    21,069.38/29,068.77 = 13,902.86/x
  3. Step 3: Cross multiply
    21,069.38x = 29,068.77 × 13,902.86
  4. Step 4: Simplify right side
    21,069.38x = 404,139,000.98
  5. Step 5: Solve for x
    x = 404,139,000.98/21,069.38
  6. Step 6: Final answer
    x = 19,181.34

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.