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Finding the Fourth Proportional to 11,048.73, 16,573.08 and 2,840.73

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Solution

The fourth proportional to 11,048.73, 16,573.08 and 2,840.73 is: 4,261.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,048.73 : 16,573.08 = 2,840.73 : x
  2. Step 2: Convert to fraction form
    11,048.73/16,573.08 = 2,840.73/x
  3. Step 3: Cross multiply
    11,048.73x = 16,573.08 × 2,840.73
  4. Step 4: Simplify right side
    11,048.73x = 47,079,645.55
  5. Step 5: Solve for x
    x = 47,079,645.55/11,048.73
  6. Step 6: Final answer
    x = 4,261.09

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Half scale
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Double scale
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Similar ratio
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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.