Home / 11,670.72-16,105.10-6,365.22

Finding the Fourth Proportional to 11,670.72, 16,105.10 and 6,365.22

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Solution

The fourth proportional to 11,670.72, 16,105.10 and 6,365.22 is: 8,783.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.72 : 16,105.10 = 6,365.22 : x
  2. Step 2: Convert to fraction form
    11,670.72/16,105.10 = 6,365.22/x
  3. Step 3: Cross multiply
    11,670.72x = 16,105.10 × 6,365.22
  4. Step 4: Simplify right side
    11,670.72x = 102,512,448.21
  5. Step 5: Solve for x
    x = 102,512,448.21/11,670.72
  6. Step 6: Final answer
    x = 8,783.73

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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.