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Finding the Fourth Proportional to 18,018.97, 24,866.17 and 10,061.19

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Solution

The fourth proportional to 18,018.97, 24,866.17 and 10,061.19 is: 13,884.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.97 : 24,866.17 = 10,061.19 : x
  2. Step 2: Convert to fraction form
    18,018.97/24,866.17 = 10,061.19/x
  3. Step 3: Cross multiply
    18,018.97x = 24,866.17 × 10,061.19
  4. Step 4: Simplify right side
    18,018.97x = 250,183,260.94
  5. Step 5: Solve for x
    x = 250,183,260.94/18,018.97
  6. Step 6: Final answer
    x = 13,884.44

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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.