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Finding the Fourth Proportional to 17,615.88, 26,423.87 and 5,937.30

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Solution

The fourth proportional to 17,615.88, 26,423.87 and 5,937.30 is: 8,905.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,615.88 : 26,423.87 = 5,937.30 : x
  2. Step 2: Convert to fraction form
    17,615.88/26,423.87 = 5,937.30/x
  3. Step 3: Cross multiply
    17,615.88x = 26,423.87 × 5,937.30
  4. Step 4: Simplify right side
    17,615.88x = 156,886,413.66
  5. Step 5: Solve for x
    x = 156,886,413.66/17,615.88
  6. Step 6: Final answer
    x = 8,905.97

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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.