Home / 21,614-32,421-7,022

Finding the Fourth Proportional to 21,614, 32,421 and 7,022

Calculator

Solution

The fourth proportional to 21,614, 32,421 and 7,022 is: 10,533

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,614 : 32,421 = 7,022 : x
  2. Step 2: Convert to fraction form
    21,614/32,421 = 7,022/x
  3. Step 3: Cross multiply
    21,614x = 32,421 × 7,022
  4. Step 4: Simplify right side
    21,614x = 227,660,262
  5. Step 5: Solve for x
    x = 227,660,262/21,614
  6. Step 6: Final answer
    x = 10,533

Related Problems

Find fourth proportional to 10,807, 16,210.50 and 3,511
Half scale
Find fourth proportional to 43,228, 64,842 and 14,044
Double scale
Find fourth proportional to 21,615, 32,422.50 and 7,023
Similar ratio
Find fourth proportional to 32,421, 48,631.50 and 10,533
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.