Home / 18,489.84-25,515.95-10,106.34

Finding the Fourth Proportional to 18,489.84, 25,515.95 and 10,106.34

Calculator

Solution

The fourth proportional to 18,489.84, 25,515.95 and 10,106.34 is: 13,946.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,489.84 : 25,515.95 = 10,106.34 : x
  2. Step 2: Convert to fraction form
    18,489.84/25,515.95 = 10,106.34/x
  3. Step 3: Cross multiply
    18,489.84x = 25,515.95 × 10,106.34
  4. Step 4: Simplify right side
    18,489.84x = 257,872,815.59
  5. Step 5: Solve for x
    x = 257,872,815.59/18,489.84
  6. Step 6: Final answer
    x = 13,946.73

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.