Home / 12,574.92-17,346-7,851

Finding the Fourth Proportional to 12,574.92, 17,346 and 7,851

Calculator

Solution

The fourth proportional to 12,574.92, 17,346 and 7,851 is: 10,829.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,574.92 : 17,346 = 7,851 : x
  2. Step 2: Convert to fraction form
    12,574.92/17,346 = 7,851/x
  3. Step 3: Cross multiply
    12,574.92x = 17,346 × 7,851
  4. Step 4: Simplify right side
    12,574.92x = 136,183,446
  5. Step 5: Solve for x
    x = 136,183,446/12,574.92
  6. Step 6: Final answer
    x = 10,829.77

Related Problems

Find fourth proportional to 6,287.46, 8,673 and 3,925.50
Half scale
Find fourth proportional to 25,149.84, 34,692 and 15,702
Double scale
Find fourth proportional to 12,575.92, 17,347.38 and 7,852
Similar ratio
Find fourth proportional to 18,862.38, 26,019 and 11,776.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.