Home / 14,424.39-19,906.26-8,136.75

Finding the Fourth Proportional to 14,424.39, 19,906.26 and 8,136.75

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Solution

The fourth proportional to 14,424.39, 19,906.26 and 8,136.75 is: 11,229.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,424.39 : 19,906.26 = 8,136.75 : x
  2. Step 2: Convert to fraction form
    14,424.39/19,906.26 = 8,136.75/x
  3. Step 3: Cross multiply
    14,424.39x = 19,906.26 × 8,136.75
  4. Step 4: Simplify right side
    14,424.39x = 161,972,261.06
  5. Step 5: Solve for x
    x = 161,972,261.06/14,424.39
  6. Step 6: Final answer
    x = 11,229.05

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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.