Home / 31,326-46,989-9,438

Finding the Fourth Proportional to 31,326, 46,989 and 9,438

Calculator

Solution

The fourth proportional to 31,326, 46,989 and 9,438 is: 14,157

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,326 : 46,989 = 9,438 : x
  2. Step 2: Convert to fraction form
    31,326/46,989 = 9,438/x
  3. Step 3: Cross multiply
    31,326x = 46,989 × 9,438
  4. Step 4: Simplify right side
    31,326x = 443,482,182
  5. Step 5: Solve for x
    x = 443,482,182/31,326
  6. Step 6: Final answer
    x = 14,157

Related Problems

Find fourth proportional to 15,663, 23,494.50 and 4,719
Half scale
Find fourth proportional to 62,652, 93,978 and 18,876
Double scale
Find fourth proportional to 31,327, 46,990.50 and 9,439
Similar ratio
Find fourth proportional to 46,989, 70,483.50 and 14,157
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.