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Finding the Fourth Proportional to 12,262.29, 16,939.04 and 11,807.12

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Solution

The fourth proportional to 12,262.29, 16,939.04 and 11,807.12 is: 16,310.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.29 : 16,939.04 = 11,807.12 : x
  2. Step 2: Convert to fraction form
    12,262.29/16,939.04 = 11,807.12/x
  3. Step 3: Cross multiply
    12,262.29x = 16,939.04 × 11,807.12
  4. Step 4: Simplify right side
    12,262.29x = 200,001,134.23
  5. Step 5: Solve for x
    x = 200,001,134.23/12,262.29
  6. Step 6: Final answer
    x = 16,310.26

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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.