Home / 11,051.52-16,579.20-3,260.80

Finding the Fourth Proportional to 11,051.52, 16,579.20 and 3,260.80

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Solution

The fourth proportional to 11,051.52, 16,579.20 and 3,260.80 is: 4,891.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,051.52 : 16,579.20 = 3,260.80 : x
  2. Step 2: Convert to fraction form
    11,051.52/16,579.20 = 3,260.80/x
  3. Step 3: Cross multiply
    11,051.52x = 16,579.20 × 3,260.80
  4. Step 4: Simplify right side
    11,051.52x = 54,061,455.36
  5. Step 5: Solve for x
    x = 54,061,455.36/11,051.52
  6. Step 6: Final answer
    x = 4,891.77

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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.