Home / 10,463.86-15,689.71-4,218.76

Finding the Fourth Proportional to 10,463.86, 15,689.71 and 4,218.76

Calculator

Solution

The fourth proportional to 10,463.86, 15,689.71 and 4,218.76 is: 6,325.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,463.86 : 15,689.71 = 4,218.76 : x
  2. Step 2: Convert to fraction form
    10,463.86/15,689.71 = 4,218.76/x
  3. Step 3: Cross multiply
    10,463.86x = 15,689.71 × 4,218.76
  4. Step 4: Simplify right side
    10,463.86x = 66,191,120.96
  5. Step 5: Solve for x
    x = 66,191,120.96/10,463.86
  6. Step 6: Final answer
    x = 6,325.69

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.