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Finding the Fourth Proportional to 16,762.44, 25,133.22 and 5,665.80

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Solution

The fourth proportional to 16,762.44, 25,133.22 and 5,665.80 is: 8,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,762.44 : 25,133.22 = 5,665.80 : x
  2. Step 2: Convert to fraction form
    16,762.44/25,133.22 = 5,665.80/x
  3. Step 3: Cross multiply
    16,762.44x = 25,133.22 × 5,665.80
  4. Step 4: Simplify right side
    16,762.44x = 142,399,797.88
  5. Step 5: Solve for x
    x = 142,399,797.88/16,762.44
  6. Step 6: Final answer
    x = 8,495.17

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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.