Home / 11,092.20-16,638.30-5,260.20

Finding the Fourth Proportional to 11,092.20, 16,638.30 and 5,260.20

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Solution

The fourth proportional to 11,092.20, 16,638.30 and 5,260.20 is: 7,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,092.20 : 16,638.30 = 5,260.20 : x
  2. Step 2: Convert to fraction form
    11,092.20/16,638.30 = 5,260.20/x
  3. Step 3: Cross multiply
    11,092.20x = 16,638.30 × 5,260.20
  4. Step 4: Simplify right side
    11,092.20x = 87,520,785.66
  5. Step 5: Solve for x
    x = 87,520,785.66/11,092.20
  6. Step 6: Final answer
    x = 7,890.30

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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.