Home / 12,929.34-17,842.51-7,340.34

Finding the Fourth Proportional to 12,929.34, 17,842.51 and 7,340.34

Calculator

Solution

The fourth proportional to 12,929.34, 17,842.51 and 7,340.34 is: 10,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929.34 : 17,842.51 = 7,340.34 : x
  2. Step 2: Convert to fraction form
    12,929.34/17,842.51 = 7,340.34/x
  3. Step 3: Cross multiply
    12,929.34x = 17,842.51 × 7,340.34
  4. Step 4: Simplify right side
    12,929.34x = 130,970,165.94
  5. Step 5: Solve for x
    x = 130,970,165.94/12,929.34
  6. Step 6: Final answer
    x = 10,129.68

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.