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Finding the Fourth Proportional to 17,493.65, 26,230.85 and 11,953.25

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Solution

The fourth proportional to 17,493.65, 26,230.85 and 11,953.25 is: 17,923.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,493.65 : 26,230.85 = 11,953.25 : x
  2. Step 2: Convert to fraction form
    17,493.65/26,230.85 = 11,953.25/x
  3. Step 3: Cross multiply
    17,493.65x = 26,230.85 × 11,953.25
  4. Step 4: Simplify right side
    17,493.65x = 313,543,848.00
  5. Step 5: Solve for x
    x = 313,543,848.00/17,493.65
  6. Step 6: Final answer
    x = 17,923.29

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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.