Home / 11,939.73-16,477.02-6,905.09

Finding the Fourth Proportional to 11,939.73, 16,477.02 and 6,905.09

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Solution

The fourth proportional to 11,939.73, 16,477.02 and 6,905.09 is: 9,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.73 : 16,477.02 = 6,905.09 : x
  2. Step 2: Convert to fraction form
    11,939.73/16,477.02 = 6,905.09/x
  3. Step 3: Cross multiply
    11,939.73x = 16,477.02 × 6,905.09
  4. Step 4: Simplify right side
    11,939.73x = 113,775,223.65
  5. Step 5: Solve for x
    x = 113,775,223.65/11,939.73
  6. Step 6: Final answer
    x = 9,529.13

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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.