Home / 34,260-51,390-9,636

Finding the Fourth Proportional to 34,260, 51,390 and 9,636

Calculator

Solution

The fourth proportional to 34,260, 51,390 and 9,636 is: 14,454

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,260 : 51,390 = 9,636 : x
  2. Step 2: Convert to fraction form
    34,260/51,390 = 9,636/x
  3. Step 3: Cross multiply
    34,260x = 51,390 × 9,636
  4. Step 4: Simplify right side
    34,260x = 495,194,040
  5. Step 5: Solve for x
    x = 495,194,040/34,260
  6. Step 6: Final answer
    x = 14,454

Related Problems

Find fourth proportional to 17,130, 25,695 and 4,818
Half scale
Find fourth proportional to 68,520, 102,780 and 19,272
Double scale
Find fourth proportional to 34,261, 51,391.50 and 9,637
Similar ratio
Find fourth proportional to 51,390, 77,085 and 14,454
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.