Home / 11,789.75-17,683.72-6,856.25

Finding the Fourth Proportional to 11,789.75, 17,683.72 and 6,856.25

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Solution

The fourth proportional to 11,789.75, 17,683.72 and 6,856.25 is: 10,283.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.75 : 17,683.72 = 6,856.25 : x
  2. Step 2: Convert to fraction form
    11,789.75/17,683.72 = 6,856.25/x
  3. Step 3: Cross multiply
    11,789.75x = 17,683.72 × 6,856.25
  4. Step 4: Simplify right side
    11,789.75x = 121,243,899.69
  5. Step 5: Solve for x
    x = 121,243,899.69/11,789.75
  6. Step 6: Final answer
    x = 10,283.84

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1.5x scale

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.