Home / 11,295.38-16,939.96-4,720.48

Finding the Fourth Proportional to 11,295.38, 16,939.96 and 4,720.48

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Solution

The fourth proportional to 11,295.38, 16,939.96 and 4,720.48 is: 7,079.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.38 : 16,939.96 = 4,720.48 : x
  2. Step 2: Convert to fraction form
    11,295.38/16,939.96 = 4,720.48/x
  3. Step 3: Cross multiply
    11,295.38x = 16,939.96 × 4,720.48
  4. Step 4: Simplify right side
    11,295.38x = 79,964,742.38
  5. Step 5: Solve for x
    x = 79,964,742.38/11,295.38
  6. Step 6: Final answer
    x = 7,079.42

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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.