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Finding the Fourth Proportional to 17,608.84, 26,380.86 and 11,033.80

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Solution

The fourth proportional to 17,608.84, 26,380.86 and 11,033.80 is: 16,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,608.84 : 26,380.86 = 11,033.80 : x
  2. Step 2: Convert to fraction form
    17,608.84/26,380.86 = 11,033.80/x
  3. Step 3: Cross multiply
    17,608.84x = 26,380.86 × 11,033.80
  4. Step 4: Simplify right side
    17,608.84x = 291,081,133.07
  5. Step 5: Solve for x
    x = 291,081,133.07/17,608.84
  6. Step 6: Final answer
    x = 16,530.40

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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.