Home / 11,259.35-16,889.88-3,863.75

Finding the Fourth Proportional to 11,259.35, 16,889.88 and 3,863.75

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Solution

The fourth proportional to 11,259.35, 16,889.88 and 3,863.75 is: 5,795.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.35 : 16,889.88 = 3,863.75 : x
  2. Step 2: Convert to fraction form
    11,259.35/16,889.88 = 3,863.75/x
  3. Step 3: Cross multiply
    11,259.35x = 16,889.88 × 3,863.75
  4. Step 4: Simplify right side
    11,259.35x = 65,258,189.40
  5. Step 5: Solve for x
    x = 65,258,189.40/11,259.35
  6. Step 6: Final answer
    x = 5,795.91

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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.