Home / 8,512-12,768-2,356

Finding the Fourth Proportional to 8,512, 12,768 and 2,356

Calculator

Solution

The fourth proportional to 8,512, 12,768 and 2,356 is: 3,534

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512 : 12,768 = 2,356 : x
  2. Step 2: Convert to fraction form
    8,512/12,768 = 2,356/x
  3. Step 3: Cross multiply
    8,512x = 12,768 × 2,356
  4. Step 4: Simplify right side
    8,512x = 30,081,408
  5. Step 5: Solve for x
    x = 30,081,408/8,512
  6. Step 6: Final answer
    x = 3,534

Related Problems

Find fourth proportional to 4,256, 6,384 and 1,178
Half scale
Find fourth proportional to 17,024, 25,536 and 4,712
Double scale
Find fourth proportional to 8,513, 12,769.50 and 2,357
Similar ratio
Find fourth proportional to 12,768, 19,152 and 3,534
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.