Home / 15,858.25-23,786.46-4,764.70

Finding the Fourth Proportional to 15,858.25, 23,786.46 and 4,764.70

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Solution

The fourth proportional to 15,858.25, 23,786.46 and 4,764.70 is: 7,146.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,858.25 : 23,786.46 = 4,764.70 : x
  2. Step 2: Convert to fraction form
    15,858.25/23,786.46 = 4,764.70/x
  3. Step 3: Cross multiply
    15,858.25x = 23,786.46 × 4,764.70
  4. Step 4: Simplify right side
    15,858.25x = 113,335,345.96
  5. Step 5: Solve for x
    x = 113,335,345.96/15,858.25
  6. Step 6: Final answer
    x = 7,146.78

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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.