Home / 12,927.93-17,840.04-7,900.56

Finding the Fourth Proportional to 12,927.93, 17,840.04 and 7,900.56

Calculator

Solution

The fourth proportional to 12,927.93, 17,840.04 and 7,900.56 is: 10,902.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.93 : 17,840.04 = 7,900.56 : x
  2. Step 2: Convert to fraction form
    12,927.93/17,840.04 = 7,900.56/x
  3. Step 3: Cross multiply
    12,927.93x = 17,840.04 × 7,900.56
  4. Step 4: Simplify right side
    12,927.93x = 140,946,306.42
  5. Step 5: Solve for x
    x = 140,946,306.42/12,927.93
  6. Step 6: Final answer
    x = 10,902.47

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.