Home / 10,490-15,735-3,194

Finding the Fourth Proportional to 10,490, 15,735 and 3,194

Calculator

Solution

The fourth proportional to 10,490, 15,735 and 3,194 is: 4,791

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490 : 15,735 = 3,194 : x
  2. Step 2: Convert to fraction form
    10,490/15,735 = 3,194/x
  3. Step 3: Cross multiply
    10,490x = 15,735 × 3,194
  4. Step 4: Simplify right side
    10,490x = 50,257,590
  5. Step 5: Solve for x
    x = 50,257,590/10,490
  6. Step 6: Final answer
    x = 4,791

Related Problems

Find fourth proportional to 5,245, 7,867.50 and 1,597
Half scale
Find fourth proportional to 20,980, 31,470 and 6,388
Double scale
Find fourth proportional to 10,491, 15,736.50 and 3,195
Similar ratio
Find fourth proportional to 15,735, 23,602.50 and 4,791
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.