Home / 11,951.46-16,491.68-6,645.96

Finding the Fourth Proportional to 11,951.46, 16,491.68 and 6,645.96

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Solution

The fourth proportional to 11,951.46, 16,491.68 and 6,645.96 is: 9,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,951.46 : 16,491.68 = 6,645.96 : x
  2. Step 2: Convert to fraction form
    11,951.46/16,491.68 = 6,645.96/x
  3. Step 3: Cross multiply
    11,951.46x = 16,491.68 × 6,645.96
  4. Step 4: Simplify right side
    11,951.46x = 109,603,012.38
  5. Step 5: Solve for x
    x = 109,603,012.38/11,951.46
  6. Step 6: Final answer
    x = 9,170.68

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1.5x scale

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.