Home / 10,986.33-16,479.37-2,666.44

Finding the Fourth Proportional to 10,986.33, 16,479.37 and 2,666.44

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Solution

The fourth proportional to 10,986.33, 16,479.37 and 2,666.44 is: 3,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.33 : 16,479.37 = 2,666.44 : x
  2. Step 2: Convert to fraction form
    10,986.33/16,479.37 = 2,666.44/x
  3. Step 3: Cross multiply
    10,986.33x = 16,479.37 × 2,666.44
  4. Step 4: Simplify right side
    10,986.33x = 43,941,155.61
  5. Step 5: Solve for x
    x = 43,941,155.61/10,986.33
  6. Step 6: Final answer
    x = 3,999.62

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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.