Home / 10,986.77-16,480.91-4,412.94

Finding the Fourth Proportional to 10,986.77, 16,480.91 and 4,412.94

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Solution

The fourth proportional to 10,986.77, 16,480.91 and 4,412.94 is: 6,619.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.77 : 16,480.91 = 4,412.94 : x
  2. Step 2: Convert to fraction form
    10,986.77/16,480.91 = 4,412.94/x
  3. Step 3: Cross multiply
    10,986.77x = 16,480.91 × 4,412.94
  4. Step 4: Simplify right side
    10,986.77x = 72,729,244.91
  5. Step 5: Solve for x
    x = 72,729,244.91/10,986.77
  6. Step 6: Final answer
    x = 6,619.71

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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.