Home / 11,628.30-16,046.25-6,911.70

Finding the Fourth Proportional to 11,628.30, 16,046.25 and 6,911.70

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Solution

The fourth proportional to 11,628.30, 16,046.25 and 6,911.70 is: 9,537.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628.30 : 16,046.25 = 6,911.70 : x
  2. Step 2: Convert to fraction form
    11,628.30/16,046.25 = 6,911.70/x
  3. Step 3: Cross multiply
    11,628.30x = 16,046.25 × 6,911.70
  4. Step 4: Simplify right side
    11,628.30x = 110,906,866.13
  5. Step 5: Solve for x
    x = 110,906,866.13/11,628.30
  6. Step 6: Final answer
    x = 9,537.67

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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.