Home / 17,520-26,280-5,208

Finding the Fourth Proportional to 17,520, 26,280 and 5,208

Calculator

Solution

The fourth proportional to 17,520, 26,280 and 5,208 is: 7,812

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520 : 26,280 = 5,208 : x
  2. Step 2: Convert to fraction form
    17,520/26,280 = 5,208/x
  3. Step 3: Cross multiply
    17,520x = 26,280 × 5,208
  4. Step 4: Simplify right side
    17,520x = 136,866,240
  5. Step 5: Solve for x
    x = 136,866,240/17,520
  6. Step 6: Final answer
    x = 7,812

Related Problems

Find fourth proportional to 8,760, 13,140 and 2,604
Half scale
Find fourth proportional to 35,040, 52,560 and 10,416
Double scale
Find fourth proportional to 17,521, 26,281.50 and 5,209
Similar ratio
Find fourth proportional to 26,280, 39,420 and 7,812
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.