Home / 11,905.29-16,427.79-6,600.06

Finding the Fourth Proportional to 11,905.29, 16,427.79 and 6,600.06

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Solution

The fourth proportional to 11,905.29, 16,427.79 and 6,600.06 is: 9,107.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.29 : 16,427.79 = 6,600.06 : x
  2. Step 2: Convert to fraction form
    11,905.29/16,427.79 = 6,600.06/x
  3. Step 3: Cross multiply
    11,905.29x = 16,427.79 × 6,600.06
  4. Step 4: Simplify right side
    11,905.29x = 108,424,399.67
  5. Step 5: Solve for x
    x = 108,424,399.67/11,905.29
  6. Step 6: Final answer
    x = 9,107.25

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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.