Home / 11,007.72-16,511.44-5,160.19

Finding the Fourth Proportional to 11,007.72, 16,511.44 and 5,160.19

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Solution

The fourth proportional to 11,007.72, 16,511.44 and 5,160.19 is: 7,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.72 : 16,511.44 = 5,160.19 : x
  2. Step 2: Convert to fraction form
    11,007.72/16,511.44 = 5,160.19/x
  3. Step 3: Cross multiply
    11,007.72x = 16,511.44 × 5,160.19
  4. Step 4: Simplify right side
    11,007.72x = 85,202,167.57
  5. Step 5: Solve for x
    x = 85,202,167.57/11,007.72
  6. Step 6: Final answer
    x = 7,740.22

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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.