Home / 15,816.78-23,729.30-4,723.47

Finding the Fourth Proportional to 15,816.78, 23,729.30 and 4,723.47

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Solution

The fourth proportional to 15,816.78, 23,729.30 and 4,723.47 is: 7,086.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,816.78 : 23,729.30 = 4,723.47 : x
  2. Step 2: Convert to fraction form
    15,816.78/23,729.30 = 4,723.47/x
  3. Step 3: Cross multiply
    15,816.78x = 23,729.30 × 4,723.47
  4. Step 4: Simplify right side
    15,816.78x = 112,084,553.73
  5. Step 5: Solve for x
    x = 112,084,553.73/15,816.78
  6. Step 6: Final answer
    x = 7,086.43

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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.