Home / 13,682.41-20,504.32-6,461.86

Finding the Fourth Proportional to 13,682.41, 20,504.32 and 6,461.86

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Solution

The fourth proportional to 13,682.41, 20,504.32 and 6,461.86 is: 9,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,682.41 : 20,504.32 = 6,461.86 : x
  2. Step 2: Convert to fraction form
    13,682.41/20,504.32 = 6,461.86/x
  3. Step 3: Cross multiply
    13,682.41x = 20,504.32 × 6,461.86
  4. Step 4: Simplify right side
    13,682.41x = 132,496,045.24
  5. Step 5: Solve for x
    x = 132,496,045.24/13,682.41
  6. Step 6: Final answer
    x = 9,683.68

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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.