Home / 15,884.87-23,811.46-7,963.20

Finding the Fourth Proportional to 15,884.87, 23,811.46 and 7,963.20

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Solution

The fourth proportional to 15,884.87, 23,811.46 and 7,963.20 is: 11,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,884.87 : 23,811.46 = 7,963.20 : x
  2. Step 2: Convert to fraction form
    15,884.87/23,811.46 = 7,963.20/x
  3. Step 3: Cross multiply
    15,884.87x = 23,811.46 × 7,963.20
  4. Step 4: Simplify right side
    15,884.87x = 189,615,398.36
  5. Step 5: Solve for x
    x = 189,615,398.36/15,884.87
  6. Step 6: Final answer
    x = 11,936.86

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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.