Home / 10,486.86-15,736.59-4,247.70

Finding the Fourth Proportional to 10,486.86, 15,736.59 and 4,247.70

Calculator

Solution

The fourth proportional to 10,486.86, 15,736.59 and 4,247.70 is: 6,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,486.86 : 15,736.59 = 4,247.70 : x
  2. Step 2: Convert to fraction form
    10,486.86/15,736.59 = 4,247.70/x
  3. Step 3: Cross multiply
    10,486.86x = 15,736.59 × 4,247.70
  4. Step 4: Simplify right side
    10,486.86x = 66,844,313.34
  5. Step 5: Solve for x
    x = 66,844,313.34/10,486.86
  6. Step 6: Final answer
    x = 6,374.10

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.