Home / 14,511.72-20,004.76-11,321.44

Finding the Fourth Proportional to 14,511.72, 20,004.76 and 11,321.44

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Solution

The fourth proportional to 14,511.72, 20,004.76 and 11,321.44 is: 15,606.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.72 : 20,004.76 = 11,321.44 : x
  2. Step 2: Convert to fraction form
    14,511.72/20,004.76 = 11,321.44/x
  3. Step 3: Cross multiply
    14,511.72x = 20,004.76 × 11,321.44
  4. Step 4: Simplify right side
    14,511.72x = 226,482,690.05
  5. Step 5: Solve for x
    x = 226,482,690.05/14,511.72
  6. Step 6: Final answer
    x = 15,606.88

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.