Home / 13,384-20,076-3,656

Finding the Fourth Proportional to 13,384, 20,076 and 3,656

Calculator

Solution

The fourth proportional to 13,384, 20,076 and 3,656 is: 5,484

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384 : 20,076 = 3,656 : x
  2. Step 2: Convert to fraction form
    13,384/20,076 = 3,656/x
  3. Step 3: Cross multiply
    13,384x = 20,076 × 3,656
  4. Step 4: Simplify right side
    13,384x = 73,397,856
  5. Step 5: Solve for x
    x = 73,397,856/13,384
  6. Step 6: Final answer
    x = 5,484

Related Problems

Find fourth proportional to 6,692, 10,038 and 1,828
Half scale
Find fourth proportional to 26,768, 40,152 and 7,312
Double scale
Find fourth proportional to 13,385, 20,077.50 and 3,657
Similar ratio
Find fourth proportional to 20,076, 30,114 and 5,484
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.