Home / 20,944-31,416-6,352

Finding the Fourth Proportional to 20,944, 31,416 and 6,352

Calculator

Solution

The fourth proportional to 20,944, 31,416 and 6,352 is: 9,528

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,944 : 31,416 = 6,352 : x
  2. Step 2: Convert to fraction form
    20,944/31,416 = 6,352/x
  3. Step 3: Cross multiply
    20,944x = 31,416 × 6,352
  4. Step 4: Simplify right side
    20,944x = 199,554,432
  5. Step 5: Solve for x
    x = 199,554,432/20,944
  6. Step 6: Final answer
    x = 9,528

Related Problems

Find fourth proportional to 10,472, 15,708 and 3,176
Half scale
Find fourth proportional to 41,888, 62,832 and 12,704
Double scale
Find fourth proportional to 20,945, 31,417.50 and 6,353
Similar ratio
Find fourth proportional to 31,416, 47,124 and 9,528
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.