Home / 10,800.12-16,181.94-6,631.44

Finding the Fourth Proportional to 10,800.12, 16,181.94 and 6,631.44

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Solution

The fourth proportional to 10,800.12, 16,181.94 and 6,631.44 is: 9,935.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.12 : 16,181.94 = 6,631.44 : x
  2. Step 2: Convert to fraction form
    10,800.12/16,181.94 = 6,631.44/x
  3. Step 3: Cross multiply
    10,800.12x = 16,181.94 × 6,631.44
  4. Step 4: Simplify right side
    10,800.12x = 107,309,564.19
  5. Step 5: Solve for x
    x = 107,309,564.19/10,800.12
  6. Step 6: Final answer
    x = 9,935.96

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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.