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Finding the Fourth Proportional to 17,953.98, 26,936.46 and 9,195.09

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Solution

The fourth proportional to 17,953.98, 26,936.46 and 9,195.09 is: 13,795.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,953.98 : 26,936.46 = 9,195.09 : x
  2. Step 2: Convert to fraction form
    17,953.98/26,936.46 = 9,195.09/x
  3. Step 3: Cross multiply
    17,953.98x = 26,936.46 × 9,195.09
  4. Step 4: Simplify right side
    17,953.98x = 247,683,173.98
  5. Step 5: Solve for x
    x = 247,683,173.98/17,953.98
  6. Step 6: Final answer
    x = 13,795.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.