Home / 11,160.72-16,702.32-6,942.24

Finding the Fourth Proportional to 11,160.72, 16,702.32 and 6,942.24

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Solution

The fourth proportional to 11,160.72, 16,702.32 and 6,942.24 is: 10,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.72 : 16,702.32 = 6,942.24 : x
  2. Step 2: Convert to fraction form
    11,160.72/16,702.32 = 6,942.24/x
  3. Step 3: Cross multiply
    11,160.72x = 16,702.32 × 6,942.24
  4. Step 4: Simplify right side
    11,160.72x = 115,951,514.00
  5. Step 5: Solve for x
    x = 115,951,514.00/11,160.72
  6. Step 6: Final answer
    x = 10,389.25

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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.