Home / 14,107.08-19,468.38-8,138.73

Finding the Fourth Proportional to 14,107.08, 19,468.38 and 8,138.73

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Solution

The fourth proportional to 14,107.08, 19,468.38 and 8,138.73 is: 11,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.08 : 19,468.38 = 8,138.73 : x
  2. Step 2: Convert to fraction form
    14,107.08/19,468.38 = 8,138.73/x
  3. Step 3: Cross multiply
    14,107.08x = 19,468.38 × 8,138.73
  4. Step 4: Simplify right side
    14,107.08x = 158,447,888.36
  5. Step 5: Solve for x
    x = 158,447,888.36/14,107.08
  6. Step 6: Final answer
    x = 11,231.80

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Double scale
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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.