Home / 16,983.54-25,447.82-10,389.74

Finding the Fourth Proportional to 16,983.54, 25,447.82 and 10,389.74

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Solution

The fourth proportional to 16,983.54, 25,447.82 and 10,389.74 is: 15,567.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,983.54 : 25,447.82 = 10,389.74 : x
  2. Step 2: Convert to fraction form
    16,983.54/25,447.82 = 10,389.74/x
  3. Step 3: Cross multiply
    16,983.54x = 25,447.82 × 10,389.74
  4. Step 4: Simplify right side
    16,983.54x = 264,396,054.18
  5. Step 5: Solve for x
    x = 264,396,054.18/16,983.54
  6. Step 6: Final answer
    x = 15,567.78

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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.