Home / 15,220-22,830-4,276

Finding the Fourth Proportional to 15,220, 22,830 and 4,276

Calculator

Solution

The fourth proportional to 15,220, 22,830 and 4,276 is: 6,414

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,220 : 22,830 = 4,276 : x
  2. Step 2: Convert to fraction form
    15,220/22,830 = 4,276/x
  3. Step 3: Cross multiply
    15,220x = 22,830 × 4,276
  4. Step 4: Simplify right side
    15,220x = 97,621,080
  5. Step 5: Solve for x
    x = 97,621,080/15,220
  6. Step 6: Final answer
    x = 6,414

Related Problems

Find fourth proportional to 7,610, 11,415 and 2,138
Half scale
Find fourth proportional to 30,440, 45,660 and 8,552
Double scale
Find fourth proportional to 15,221, 22,831.50 and 4,277
Similar ratio
Find fourth proportional to 22,830, 34,245 and 6,414
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.