Home / 10,822.65-16,221.25-4,892.64

Finding the Fourth Proportional to 10,822.65, 16,221.25 and 4,892.64

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Solution

The fourth proportional to 10,822.65, 16,221.25 and 4,892.64 is: 7,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.65 : 16,221.25 = 4,892.64 : x
  2. Step 2: Convert to fraction form
    10,822.65/16,221.25 = 4,892.64/x
  3. Step 3: Cross multiply
    10,822.65x = 16,221.25 × 4,892.64
  4. Step 4: Simplify right side
    10,822.65x = 79,364,736.60
  5. Step 5: Solve for x
    x = 79,364,736.60/10,822.65
  6. Step 6: Final answer
    x = 7,333.21

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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.