Home / 10,681.41-16,021.62-3,285.54

Finding the Fourth Proportional to 10,681.41, 16,021.62 and 3,285.54

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Solution

The fourth proportional to 10,681.41, 16,021.62 and 3,285.54 is: 4,928.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.41 : 16,021.62 = 3,285.54 : x
  2. Step 2: Convert to fraction form
    10,681.41/16,021.62 = 3,285.54/x
  3. Step 3: Cross multiply
    10,681.41x = 16,021.62 × 3,285.54
  4. Step 4: Simplify right side
    10,681.41x = 52,639,745.78
  5. Step 5: Solve for x
    x = 52,639,745.78/10,681.41
  6. Step 6: Final answer
    x = 4,928.17

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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.