Home / 14,234.58-19,644.39-7,947

Finding the Fourth Proportional to 14,234.58, 19,644.39 and 7,947

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Solution

The fourth proportional to 14,234.58, 19,644.39 and 7,947 is: 10,967.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.58 : 19,644.39 = 7,947 : x
  2. Step 2: Convert to fraction form
    14,234.58/19,644.39 = 7,947/x
  3. Step 3: Cross multiply
    14,234.58x = 19,644.39 × 7,947
  4. Step 4: Simplify right side
    14,234.58x = 156,113,967.33
  5. Step 5: Solve for x
    x = 156,113,967.33/14,234.58
  6. Step 6: Final answer
    x = 10,967.23

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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.