Home / 11,736.32-16,195.62-6,431.36

Finding the Fourth Proportional to 11,736.32, 16,195.62 and 6,431.36

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Solution

The fourth proportional to 11,736.32, 16,195.62 and 6,431.36 is: 8,875.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,736.32 : 16,195.62 = 6,431.36 : x
  2. Step 2: Convert to fraction form
    11,736.32/16,195.62 = 6,431.36/x
  3. Step 3: Cross multiply
    11,736.32x = 16,195.62 × 6,431.36
  4. Step 4: Simplify right side
    11,736.32x = 104,159,781.67
  5. Step 5: Solve for x
    x = 104,159,781.67/11,736.32
  6. Step 6: Final answer
    x = 8,875.00

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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.