Home / 11,108.32-16,659.11-5,840.49

Finding the Fourth Proportional to 11,108.32, 16,659.11 and 5,840.49

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Solution

The fourth proportional to 11,108.32, 16,659.11 and 5,840.49 is: 8,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.32 : 16,659.11 = 5,840.49 : x
  2. Step 2: Convert to fraction form
    11,108.32/16,659.11 = 5,840.49/x
  3. Step 3: Cross multiply
    11,108.32x = 16,659.11 × 5,840.49
  4. Step 4: Simplify right side
    11,108.32x = 97,297,379.97
  5. Step 5: Solve for x
    x = 97,297,379.97/11,108.32
  6. Step 6: Final answer
    x = 8,758.97

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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.