Home / 16,939.90-25,386.31-14,013.58

Finding the Fourth Proportional to 16,939.90, 25,386.31 and 14,013.58

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Solution

The fourth proportional to 16,939.90, 25,386.31 and 14,013.58 is: 21,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.90 : 25,386.31 = 14,013.58 : x
  2. Step 2: Convert to fraction form
    16,939.90/25,386.31 = 14,013.58/x
  3. Step 3: Cross multiply
    16,939.90x = 25,386.31 × 14,013.58
  4. Step 4: Simplify right side
    16,939.90x = 355,753,086.09
  5. Step 5: Solve for x
    x = 355,753,086.09/16,939.90
  6. Step 6: Final answer
    x = 21,000.90

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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.