Home / 11,950.62-16,491.75-6,645.39

Finding the Fourth Proportional to 11,950.62, 16,491.75 and 6,645.39

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Solution

The fourth proportional to 11,950.62, 16,491.75 and 6,645.39 is: 9,170.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,950.62 : 16,491.75 = 6,645.39 : x
  2. Step 2: Convert to fraction form
    11,950.62/16,491.75 = 6,645.39/x
  3. Step 3: Cross multiply
    11,950.62x = 16,491.75 × 6,645.39
  4. Step 4: Simplify right side
    11,950.62x = 109,594,110.53
  5. Step 5: Solve for x
    x = 109,594,110.53/11,950.62
  6. Step 6: Final answer
    x = 9,170.58

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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.