Home / 16,771.31-25,157.82-4,291.44

Finding the Fourth Proportional to 16,771.31, 25,157.82 and 4,291.44

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Solution

The fourth proportional to 16,771.31, 25,157.82 and 4,291.44 is: 6,437.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,771.31 : 25,157.82 = 4,291.44 : x
  2. Step 2: Convert to fraction form
    16,771.31/25,157.82 = 4,291.44/x
  3. Step 3: Cross multiply
    16,771.31x = 25,157.82 × 4,291.44
  4. Step 4: Simplify right side
    16,771.31x = 107,963,275.06
  5. Step 5: Solve for x
    x = 107,963,275.06/16,771.31
  6. Step 6: Final answer
    x = 6,437.38

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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.