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Finding the Fourth Proportional to 16,605.66, 24,908.10 and 4,125.72

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Solution

The fourth proportional to 16,605.66, 24,908.10 and 4,125.72 is: 6,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,605.66 : 24,908.10 = 4,125.72 : x
  2. Step 2: Convert to fraction form
    16,605.66/24,908.10 = 4,125.72/x
  3. Step 3: Cross multiply
    16,605.66x = 24,908.10 × 4,125.72
  4. Step 4: Simplify right side
    16,605.66x = 102,763,846.33
  5. Step 5: Solve for x
    x = 102,763,846.33/16,605.66
  6. Step 6: Final answer
    x = 6,188.48

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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.