Home / 11,144.08-15,379.44-6,108.16

Finding the Fourth Proportional to 11,144.08, 15,379.44 and 6,108.16

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Solution

The fourth proportional to 11,144.08, 15,379.44 and 6,108.16 is: 8,429.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,144.08 : 15,379.44 = 6,108.16 : x
  2. Step 2: Convert to fraction form
    11,144.08/15,379.44 = 6,108.16/x
  3. Step 3: Cross multiply
    11,144.08x = 15,379.44 × 6,108.16
  4. Step 4: Simplify right side
    11,144.08x = 93,940,080.23
  5. Step 5: Solve for x
    x = 93,940,080.23/11,144.08
  6. Step 6: Final answer
    x = 8,429.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.