Home / 11,884.50-16,399.80-6,579

Finding the Fourth Proportional to 11,884.50, 16,399.80 and 6,579

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Solution

The fourth proportional to 11,884.50, 16,399.80 and 6,579 is: 9,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.50 : 16,399.80 = 6,579 : x
  2. Step 2: Convert to fraction form
    11,884.50/16,399.80 = 6,579/x
  3. Step 3: Cross multiply
    11,884.50x = 16,399.80 × 6,579
  4. Step 4: Simplify right side
    11,884.50x = 107,894,284.20
  5. Step 5: Solve for x
    x = 107,894,284.20/11,884.50
  6. Step 6: Final answer
    x = 9,078.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.