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Finding the Fourth Proportional to 18,483.39, 27,728.91 and 6,003.68

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Solution

The fourth proportional to 18,483.39, 27,728.91 and 6,003.68 is: 9,006.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483.39 : 27,728.91 = 6,003.68 : x
  2. Step 2: Convert to fraction form
    18,483.39/27,728.91 = 6,003.68/x
  3. Step 3: Cross multiply
    18,483.39x = 27,728.91 × 6,003.68
  4. Step 4: Simplify right side
    18,483.39x = 166,475,363.74
  5. Step 5: Solve for x
    x = 166,475,363.74/18,483.39
  6. Step 6: Final answer
    x = 9,006.75

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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.