Home / 11,670.67-16,105.80-6,365.98

Finding the Fourth Proportional to 11,670.67, 16,105.80 and 6,365.98

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Solution

The fourth proportional to 11,670.67, 16,105.80 and 6,365.98 is: 8,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.67 : 16,105.80 = 6,365.98 : x
  2. Step 2: Convert to fraction form
    11,670.67/16,105.80 = 6,365.98/x
  3. Step 3: Cross multiply
    11,670.67x = 16,105.80 × 6,365.98
  4. Step 4: Simplify right side
    11,670.67x = 102,529,200.68
  5. Step 5: Solve for x
    x = 102,529,200.68/11,670.67
  6. Step 6: Final answer
    x = 8,785.20

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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.