Home / 10,908.96-16,370.76-4,336.56

Finding the Fourth Proportional to 10,908.96, 16,370.76 and 4,336.56

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Solution

The fourth proportional to 10,908.96, 16,370.76 and 4,336.56 is: 6,507.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.96 : 16,370.76 = 4,336.56 : x
  2. Step 2: Convert to fraction form
    10,908.96/16,370.76 = 4,336.56/x
  3. Step 3: Cross multiply
    10,908.96x = 16,370.76 × 4,336.56
  4. Step 4: Simplify right side
    10,908.96x = 70,992,782.99
  5. Step 5: Solve for x
    x = 70,992,782.99/10,908.96
  6. Step 6: Final answer
    x = 6,507.75

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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.