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Finding the Fourth Proportional to 11,593.70, 17,393.80 and 3,807.98

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Solution

The fourth proportional to 11,593.70, 17,393.80 and 3,807.98 is: 5,713.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,593.70 : 17,393.80 = 3,807.98 : x
  2. Step 2: Convert to fraction form
    11,593.70/17,393.80 = 3,807.98/x
  3. Step 3: Cross multiply
    11,593.70x = 17,393.80 × 3,807.98
  4. Step 4: Simplify right side
    11,593.70x = 66,235,242.52
  5. Step 5: Solve for x
    x = 66,235,242.52/11,593.70
  6. Step 6: Final answer
    x = 5,713.04

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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.