Home / 39,384-59,076-10,200

Finding the Fourth Proportional to 39,384, 59,076 and 10,200

Calculator

Solution

The fourth proportional to 39,384, 59,076 and 10,200 is: 15,300

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,384 : 59,076 = 10,200 : x
  2. Step 2: Convert to fraction form
    39,384/59,076 = 10,200/x
  3. Step 3: Cross multiply
    39,384x = 59,076 × 10,200
  4. Step 4: Simplify right side
    39,384x = 602,575,200
  5. Step 5: Solve for x
    x = 602,575,200/39,384
  6. Step 6: Final answer
    x = 15,300

Related Problems

Find fourth proportional to 19,692, 29,538 and 5,100
Half scale
Find fourth proportional to 78,768, 118,152 and 20,400
Double scale
Find fourth proportional to 39,385, 59,077.50 and 10,201
Similar ratio
Find fourth proportional to 59,076, 88,614 and 15,300
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.