Home / 11,930.20-16,464.45-6,625

Finding the Fourth Proportional to 11,930.20, 16,464.45 and 6,625

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Solution

The fourth proportional to 11,930.20, 16,464.45 and 6,625 is: 9,142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.20 : 16,464.45 = 6,625 : x
  2. Step 2: Convert to fraction form
    11,930.20/16,464.45 = 6,625/x
  3. Step 3: Cross multiply
    11,930.20x = 16,464.45 × 6,625
  4. Step 4: Simplify right side
    11,930.20x = 109,076,981.25
  5. Step 5: Solve for x
    x = 109,076,981.25/11,930.20
  6. Step 6: Final answer
    x = 9,142.93

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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.