Home / 21,842-32,763-7,250

Finding the Fourth Proportional to 21,842, 32,763 and 7,250

Calculator

Solution

The fourth proportional to 21,842, 32,763 and 7,250 is: 10,875

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,842 : 32,763 = 7,250 : x
  2. Step 2: Convert to fraction form
    21,842/32,763 = 7,250/x
  3. Step 3: Cross multiply
    21,842x = 32,763 × 7,250
  4. Step 4: Simplify right side
    21,842x = 237,531,750
  5. Step 5: Solve for x
    x = 237,531,750/21,842
  6. Step 6: Final answer
    x = 10,875

Related Problems

Find fourth proportional to 10,921, 16,381.50 and 3,625
Half scale
Find fourth proportional to 43,684, 65,526 and 14,500
Double scale
Find fourth proportional to 21,843, 32,764.50 and 7,251
Similar ratio
Find fourth proportional to 32,763, 49,144.50 and 10,875
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.