Home / 11,165.85-16,742.70-4,145.58

Finding the Fourth Proportional to 11,165.85, 16,742.70 and 4,145.58

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Solution

The fourth proportional to 11,165.85, 16,742.70 and 4,145.58 is: 6,216.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.85 : 16,742.70 = 4,145.58 : x
  2. Step 2: Convert to fraction form
    11,165.85/16,742.70 = 4,145.58/x
  3. Step 3: Cross multiply
    11,165.85x = 16,742.70 × 4,145.58
  4. Step 4: Simplify right side
    11,165.85x = 69,408,202.27
  5. Step 5: Solve for x
    x = 69,408,202.27/11,165.85
  6. Step 6: Final answer
    x = 6,216.11

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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.