Home / 10,379.72-15,568.94-3,359.58

Finding the Fourth Proportional to 10,379.72, 15,568.94 and 3,359.58

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Solution

The fourth proportional to 10,379.72, 15,568.94 and 3,359.58 is: 5,039.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.72 : 15,568.94 = 3,359.58 : x
  2. Step 2: Convert to fraction form
    10,379.72/15,568.94 = 3,359.58/x
  3. Step 3: Cross multiply
    10,379.72x = 15,568.94 × 3,359.58
  4. Step 4: Simplify right side
    10,379.72x = 52,305,099.45
  5. Step 5: Solve for x
    x = 52,305,099.45/10,379.72
  6. Step 6: Final answer
    x = 5,039.16

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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.