Home / 14,115.24-19,481.58-13,410.36

Finding the Fourth Proportional to 14,115.24, 19,481.58 and 13,410.36

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Solution

The fourth proportional to 14,115.24, 19,481.58 and 13,410.36 is: 18,508.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.24 : 19,481.58 = 13,410.36 : x
  2. Step 2: Convert to fraction form
    14,115.24/19,481.58 = 13,410.36/x
  3. Step 3: Cross multiply
    14,115.24x = 19,481.58 × 13,410.36
  4. Step 4: Simplify right side
    14,115.24x = 261,255,001.17
  5. Step 5: Solve for x
    x = 261,255,001.17/14,115.24
  6. Step 6: Final answer
    x = 18,508.72

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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.