Home / 10,945.68-16,418.88-3,154.56

Finding the Fourth Proportional to 10,945.68, 16,418.88 and 3,154.56

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Solution

The fourth proportional to 10,945.68, 16,418.88 and 3,154.56 is: 4,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.68 : 16,418.88 = 3,154.56 : x
  2. Step 2: Convert to fraction form
    10,945.68/16,418.88 = 3,154.56/x
  3. Step 3: Cross multiply
    10,945.68x = 16,418.88 × 3,154.56
  4. Step 4: Simplify right side
    10,945.68x = 51,794,342.09
  5. Step 5: Solve for x
    x = 51,794,342.09/10,945.68
  6. Step 6: Final answer
    x = 4,731.94

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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.