Home / 10,104.30-15,156.63-3,780.72

Finding the Fourth Proportional to 10,104.30, 15,156.63 and 3,780.72

Calculator

Solution

The fourth proportional to 10,104.30, 15,156.63 and 3,780.72 is: 5,671.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.30 : 15,156.63 = 3,780.72 : x
  2. Step 2: Convert to fraction form
    10,104.30/15,156.63 = 3,780.72/x
  3. Step 3: Cross multiply
    10,104.30x = 15,156.63 × 3,780.72
  4. Step 4: Simplify right side
    10,104.30x = 57,302,974.17
  5. Step 5: Solve for x
    x = 57,302,974.17/10,104.30
  6. Step 6: Final answer
    x = 5,671.15

Related Problems

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.