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Finding the Fourth Proportional to 18,349.00, 27,517.43 and 7,099.12

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Solution

The fourth proportional to 18,349.00, 27,517.43 and 7,099.12 is: 10,646.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.00 : 27,517.43 = 7,099.12 : x
  2. Step 2: Convert to fraction form
    18,349.00/27,517.43 = 7,099.12/x
  3. Step 3: Cross multiply
    18,349.00x = 27,517.43 × 7,099.12
  4. Step 4: Simplify right side
    18,349.00x = 195,349,486.62
  5. Step 5: Solve for x
    x = 195,349,486.62/18,349.00
  6. Step 6: Final answer
    x = 10,646.33

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Half scale
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Double scale
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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.