Home / 10,961.52-15,125.78-6,484.39

Finding the Fourth Proportional to 10,961.52, 15,125.78 and 6,484.39

Calculator

Solution

The fourth proportional to 10,961.52, 15,125.78 and 6,484.39 is: 8,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.52 : 15,125.78 = 6,484.39 : x
  2. Step 2: Convert to fraction form
    10,961.52/15,125.78 = 6,484.39/x
  3. Step 3: Cross multiply
    10,961.52x = 15,125.78 × 6,484.39
  4. Step 4: Simplify right side
    10,961.52x = 98,081,456.57
  5. Step 5: Solve for x
    x = 98,081,456.57/10,961.52
  6. Step 6: Final answer
    x = 8,947.80

Related Problems

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.