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Finding the Fourth Proportional to 18,284.97, 27,405.01 and 10,394.10

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Solution

The fourth proportional to 18,284.97, 27,405.01 and 10,394.10 is: 15,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.97 : 27,405.01 = 10,394.10 : x
  2. Step 2: Convert to fraction form
    18,284.97/27,405.01 = 10,394.10/x
  3. Step 3: Cross multiply
    18,284.97x = 27,405.01 × 10,394.10
  4. Step 4: Simplify right side
    18,284.97x = 284,850,303.40
  5. Step 5: Solve for x
    x = 284,850,303.40/18,284.97
  6. Step 6: Final answer
    x = 15,578.39

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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.