Home / 12,714.60-19,069.86-3,478.44

Finding the Fourth Proportional to 12,714.60, 19,069.86 and 3,478.44

Calculator

Solution

The fourth proportional to 12,714.60, 19,069.86 and 3,478.44 is: 5,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714.60 : 19,069.86 = 3,478.44 : x
  2. Step 2: Convert to fraction form
    12,714.60/19,069.86 = 3,478.44/x
  3. Step 3: Cross multiply
    12,714.60x = 19,069.86 × 3,478.44
  4. Step 4: Simplify right side
    12,714.60x = 66,333,363.82
  5. Step 5: Solve for x
    x = 66,333,363.82/12,714.60
  6. Step 6: Final answer
    x = 5,217.10

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.