Home / 11,670.12-16,105.14-6,365.16

Finding the Fourth Proportional to 11,670.12, 16,105.14 and 6,365.16

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Solution

The fourth proportional to 11,670.12, 16,105.14 and 6,365.16 is: 8,784.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.12 : 16,105.14 = 6,365.16 : x
  2. Step 2: Convert to fraction form
    11,670.12/16,105.14 = 6,365.16/x
  3. Step 3: Cross multiply
    11,670.12x = 16,105.14 × 6,365.16
  4. Step 4: Simplify right side
    11,670.12x = 102,511,792.92
  5. Step 5: Solve for x
    x = 102,511,792.92/11,670.12
  6. Step 6: Final answer
    x = 8,784.13

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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.