Home / 11,290.20-16,945.69-5,747.50

Finding the Fourth Proportional to 11,290.20, 16,945.69 and 5,747.50

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Solution

The fourth proportional to 11,290.20, 16,945.69 and 5,747.50 is: 8,626.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.20 : 16,945.69 = 5,747.50 : x
  2. Step 2: Convert to fraction form
    11,290.20/16,945.69 = 5,747.50/x
  3. Step 3: Cross multiply
    11,290.20x = 16,945.69 × 5,747.50
  4. Step 4: Simplify right side
    11,290.20x = 97,395,353.28
  5. Step 5: Solve for x
    x = 97,395,353.28/11,290.20
  6. Step 6: Final answer
    x = 8,626.54

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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.