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Finding the Fourth Proportional to 15,871.80, 23,807.94 and 6,008.43

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Solution

The fourth proportional to 15,871.80, 23,807.94 and 6,008.43 is: 9,012.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,871.80 : 23,807.94 = 6,008.43 : x
  2. Step 2: Convert to fraction form
    15,871.80/23,807.94 = 6,008.43/x
  3. Step 3: Cross multiply
    15,871.80x = 23,807.94 × 6,008.43
  4. Step 4: Simplify right side
    15,871.80x = 143,048,310.89
  5. Step 5: Solve for x
    x = 143,048,310.89/15,871.80
  6. Step 6: Final answer
    x = 9,012.73

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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.