Home / 39,360-59,040-10,176

Finding the Fourth Proportional to 39,360, 59,040 and 10,176

Calculator

Solution

The fourth proportional to 39,360, 59,040 and 10,176 is: 15,264

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,360 : 59,040 = 10,176 : x
  2. Step 2: Convert to fraction form
    39,360/59,040 = 10,176/x
  3. Step 3: Cross multiply
    39,360x = 59,040 × 10,176
  4. Step 4: Simplify right side
    39,360x = 600,791,040
  5. Step 5: Solve for x
    x = 600,791,040/39,360
  6. Step 6: Final answer
    x = 15,264

Related Problems

Find fourth proportional to 19,680, 29,520 and 5,088
Half scale
Find fourth proportional to 78,720, 118,080 and 20,352
Double scale
Find fourth proportional to 39,361, 59,041.50 and 10,177
Similar ratio
Find fourth proportional to 59,040, 88,560 and 15,264
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.