Home / 11,838-17,757-3,630

Finding the Fourth Proportional to 11,838, 17,757 and 3,630

Calculator

Solution

The fourth proportional to 11,838, 17,757 and 3,630 is: 5,445

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838 : 17,757 = 3,630 : x
  2. Step 2: Convert to fraction form
    11,838/17,757 = 3,630/x
  3. Step 3: Cross multiply
    11,838x = 17,757 × 3,630
  4. Step 4: Simplify right side
    11,838x = 64,457,910
  5. Step 5: Solve for x
    x = 64,457,910/11,838
  6. Step 6: Final answer
    x = 5,445

Related Problems

Find fourth proportional to 5,919, 8,878.50 and 1,815
Half scale
Find fourth proportional to 23,676, 35,514 and 7,260
Double scale
Find fourth proportional to 11,839, 17,758.50 and 3,631
Similar ratio
Find fourth proportional to 17,757, 26,635.50 and 5,445
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.