Home / 16,945.98-25,428.66-13,237.80

Finding the Fourth Proportional to 16,945.98, 25,428.66 and 13,237.80

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Solution

The fourth proportional to 16,945.98, 25,428.66 and 13,237.80 is: 19,864.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.98 : 25,428.66 = 13,237.80 : x
  2. Step 2: Convert to fraction form
    16,945.98/25,428.66 = 13,237.80/x
  3. Step 3: Cross multiply
    16,945.98x = 25,428.66 × 13,237.80
  4. Step 4: Simplify right side
    16,945.98x = 336,619,515.35
  5. Step 5: Solve for x
    x = 336,619,515.35/16,945.98
  6. Step 6: Final answer
    x = 19,864.27

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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.