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Finding the Fourth Proportional to 17,704.38, 26,572.98 and 8,945.46

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Solution

The fourth proportional to 17,704.38, 26,572.98 and 8,945.46 is: 13,426.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,704.38 : 26,572.98 = 8,945.46 : x
  2. Step 2: Convert to fraction form
    17,704.38/26,572.98 = 8,945.46/x
  3. Step 3: Cross multiply
    17,704.38x = 26,572.98 × 8,945.46
  4. Step 4: Simplify right side
    17,704.38x = 237,707,529.67
  5. Step 5: Solve for x
    x = 237,707,529.67/17,704.38
  6. Step 6: Final answer
    x = 13,426.48

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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.