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Finding the Fourth Proportional to 16,618.06, 22,936.86 and 9,548.58

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Solution

The fourth proportional to 16,618.06, 22,936.86 and 9,548.58 is: 13,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,618.06 : 22,936.86 = 9,548.58 : x
  2. Step 2: Convert to fraction form
    16,618.06/22,936.86 = 9,548.58/x
  3. Step 3: Cross multiply
    16,618.06x = 22,936.86 × 9,548.58
  4. Step 4: Simplify right side
    16,618.06x = 219,014,394.92
  5. Step 5: Solve for x
    x = 219,014,394.92/16,618.06
  6. Step 6: Final answer
    x = 13,179.30

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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.