Home / 19,647.90-29,484-7,961.22

Finding the Fourth Proportional to 19,647.90, 29,484 and 7,961.22

Calculator

Solution

The fourth proportional to 19,647.90, 29,484 and 7,961.22 is: 11,946.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.90 : 29,484 = 7,961.22 : x
  2. Step 2: Convert to fraction form
    19,647.90/29,484 = 7,961.22/x
  3. Step 3: Cross multiply
    19,647.90x = 29,484 × 7,961.22
  4. Step 4: Simplify right side
    19,647.90x = 234,728,610.48
  5. Step 5: Solve for x
    x = 234,728,610.48/19,647.90
  6. Step 6: Final answer
    x = 11,946.75

Related Problems

Find fourth proportional to 9,823.95, 14,742 and 3,980.61
Half scale
Find fourth proportional to 39,295.80, 58,968 and 15,922.44
Double scale
Find fourth proportional to 19,648.90, 29,485.50 and 7,962.22
Similar ratio
Find fourth proportional to 29,471.85, 44,226 and 11,941.83
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.