Home / 16,891.31-25,319.36-6,354.07

Finding the Fourth Proportional to 16,891.31, 25,319.36 and 6,354.07

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Solution

The fourth proportional to 16,891.31, 25,319.36 and 6,354.07 is: 9,524.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891.31 : 25,319.36 = 6,354.07 : x
  2. Step 2: Convert to fraction form
    16,891.31/25,319.36 = 6,354.07/x
  3. Step 3: Cross multiply
    16,891.31x = 25,319.36 × 6,354.07
  4. Step 4: Simplify right side
    16,891.31x = 160,880,991.72
  5. Step 5: Solve for x
    x = 160,880,991.72/16,891.31
  6. Step 6: Final answer
    x = 9,524.48

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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.