Home / 11,932.79-16,469.40-6,896.32

Finding the Fourth Proportional to 11,932.79, 16,469.40 and 6,896.32

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Solution

The fourth proportional to 11,932.79, 16,469.40 and 6,896.32 is: 9,518.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.79 : 16,469.40 = 6,896.32 : x
  2. Step 2: Convert to fraction form
    11,932.79/16,469.40 = 6,896.32/x
  3. Step 3: Cross multiply
    11,932.79x = 16,469.40 × 6,896.32
  4. Step 4: Simplify right side
    11,932.79x = 113,578,252.61
  5. Step 5: Solve for x
    x = 113,578,252.61/11,932.79
  6. Step 6: Final answer
    x = 9,518.16

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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.