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Finding the Fourth Proportional to 17,207.92, 25,811.81 and 9,708.08

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Solution

The fourth proportional to 17,207.92, 25,811.81 and 9,708.08 is: 14,562.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,207.92 : 25,811.81 = 9,708.08 : x
  2. Step 2: Convert to fraction form
    17,207.92/25,811.81 = 9,708.08/x
  3. Step 3: Cross multiply
    17,207.92x = 25,811.81 × 9,708.08
  4. Step 4: Simplify right side
    17,207.92x = 250,583,011.64
  5. Step 5: Solve for x
    x = 250,583,011.64/17,207.92
  6. Step 6: Final answer
    x = 14,562.08

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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.