Home / 36,428-54,642-11,804

Finding the Fourth Proportional to 36,428, 54,642 and 11,804

Calculator

Solution

The fourth proportional to 36,428, 54,642 and 11,804 is: 17,706

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,428 : 54,642 = 11,804 : x
  2. Step 2: Convert to fraction form
    36,428/54,642 = 11,804/x
  3. Step 3: Cross multiply
    36,428x = 54,642 × 11,804
  4. Step 4: Simplify right side
    36,428x = 644,994,168
  5. Step 5: Solve for x
    x = 644,994,168/36,428
  6. Step 6: Final answer
    x = 17,706

Related Problems

Find fourth proportional to 18,214, 27,321 and 5,902
Half scale
Find fourth proportional to 72,856, 109,284 and 23,608
Double scale
Find fourth proportional to 36,429, 54,643.50 and 11,805
Similar ratio
Find fourth proportional to 54,642, 81,963 and 17,706
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.