Home / 13,522-20,283-4,288

Finding the Fourth Proportional to 13,522, 20,283 and 4,288

Calculator

Solution

The fourth proportional to 13,522, 20,283 and 4,288 is: 6,432

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522 : 20,283 = 4,288 : x
  2. Step 2: Convert to fraction form
    13,522/20,283 = 4,288/x
  3. Step 3: Cross multiply
    13,522x = 20,283 × 4,288
  4. Step 4: Simplify right side
    13,522x = 86,973,504
  5. Step 5: Solve for x
    x = 86,973,504/13,522
  6. Step 6: Final answer
    x = 6,432

Related Problems

Find fourth proportional to 6,761, 10,141.50 and 2,144
Half scale
Find fourth proportional to 27,044, 40,566 and 8,576
Double scale
Find fourth proportional to 13,523, 20,284.50 and 4,289
Similar ratio
Find fourth proportional to 20,283, 30,424.50 and 6,432
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.