Home / 57,610-86,415-13,834

Finding the Fourth Proportional to 57,610, 86,415 and 13,834

Calculator

Solution

The fourth proportional to 57,610, 86,415 and 13,834 is: 20,751

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,610 : 86,415 = 13,834 : x
  2. Step 2: Convert to fraction form
    57,610/86,415 = 13,834/x
  3. Step 3: Cross multiply
    57,610x = 86,415 × 13,834
  4. Step 4: Simplify right side
    57,610x = 1,195,465,110
  5. Step 5: Solve for x
    x = 1,195,465,110/57,610
  6. Step 6: Final answer
    x = 20,751

Related Problems

Find fourth proportional to 28,805, 43,207.50 and 6,917
Half scale
Find fourth proportional to 115,220, 172,830 and 27,668
Double scale
Find fourth proportional to 57,611, 86,416.50 and 13,835
Similar ratio
Find fourth proportional to 86,415, 129,622.50 and 20,751
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.