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Finding the Fourth Proportional to 17,302.86, 25,945.07 and 8,962.20

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Solution

The fourth proportional to 17,302.86, 25,945.07 and 8,962.20 is: 13,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,302.86 : 25,945.07 = 8,962.20 : x
  2. Step 2: Convert to fraction form
    17,302.86/25,945.07 = 8,962.20/x
  3. Step 3: Cross multiply
    17,302.86x = 25,945.07 × 8,962.20
  4. Step 4: Simplify right side
    17,302.86x = 232,524,861.54
  5. Step 5: Solve for x
    x = 232,524,861.54/17,302.86
  6. Step 6: Final answer
    x = 13,438.52

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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.