Home / 11,598-17,397-3,390

Finding the Fourth Proportional to 11,598, 17,397 and 3,390

Calculator

Solution

The fourth proportional to 11,598, 17,397 and 3,390 is: 5,085

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,598 : 17,397 = 3,390 : x
  2. Step 2: Convert to fraction form
    11,598/17,397 = 3,390/x
  3. Step 3: Cross multiply
    11,598x = 17,397 × 3,390
  4. Step 4: Simplify right side
    11,598x = 58,975,830
  5. Step 5: Solve for x
    x = 58,975,830/11,598
  6. Step 6: Final answer
    x = 5,085

Related Problems

Find fourth proportional to 5,799, 8,698.50 and 1,695
Half scale
Find fourth proportional to 23,196, 34,794 and 6,780
Double scale
Find fourth proportional to 11,599, 17,398.50 and 3,391
Similar ratio
Find fourth proportional to 17,397, 26,095.50 and 5,085
1.5x scale

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.