Home / 10,490.67-15,726.65-3,917.16

Finding the Fourth Proportional to 10,490.67, 15,726.65 and 3,917.16

Calculator

Solution

The fourth proportional to 10,490.67, 15,726.65 and 3,917.16 is: 5,872.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.67 : 15,726.65 = 3,917.16 : x
  2. Step 2: Convert to fraction form
    10,490.67/15,726.65 = 3,917.16/x
  3. Step 3: Cross multiply
    10,490.67x = 15,726.65 × 3,917.16
  4. Step 4: Simplify right side
    10,490.67x = 61,603,784.73
  5. Step 5: Solve for x
    x = 61,603,784.73/10,490.67
  6. Step 6: Final answer
    x = 5,872.25

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.