Home / 18,217.44-25,138.80-10,764

Finding the Fourth Proportional to 18,217.44, 25,138.80 and 10,764

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Solution

The fourth proportional to 18,217.44, 25,138.80 and 10,764 is: 14,853.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.44 : 25,138.80 = 10,764 : x
  2. Step 2: Convert to fraction form
    18,217.44/25,138.80 = 10,764/x
  3. Step 3: Cross multiply
    18,217.44x = 25,138.80 × 10,764
  4. Step 4: Simplify right side
    18,217.44x = 270,594,043.20
  5. Step 5: Solve for x
    x = 270,594,043.20/18,217.44
  6. Step 6: Final answer
    x = 14,853.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.