Home / 10,876-16,314-4,720

Finding the Fourth Proportional to 10,876, 16,314 and 4,720

Calculator

Solution

The fourth proportional to 10,876, 16,314 and 4,720 is: 7,080

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876 : 16,314 = 4,720 : x
  2. Step 2: Convert to fraction form
    10,876/16,314 = 4,720/x
  3. Step 3: Cross multiply
    10,876x = 16,314 × 4,720
  4. Step 4: Simplify right side
    10,876x = 77,002,080
  5. Step 5: Solve for x
    x = 77,002,080/10,876
  6. Step 6: Final answer
    x = 7,080

Related Problems

Find fourth proportional to 5,438, 8,157 and 2,360
Half scale
Find fourth proportional to 21,752, 32,628 and 9,440
Double scale
Find fourth proportional to 10,877, 16,315.50 and 4,721
Similar ratio
Find fourth proportional to 16,314, 24,471 and 7,080
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.