Home / 13,242.98-19,835.30-8,839.82

Finding the Fourth Proportional to 13,242.98, 19,835.30 and 8,839.82

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Solution

The fourth proportional to 13,242.98, 19,835.30 and 8,839.82 is: 13,240.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.98 : 19,835.30 = 8,839.82 : x
  2. Step 2: Convert to fraction form
    13,242.98/19,835.30 = 8,839.82/x
  3. Step 3: Cross multiply
    13,242.98x = 19,835.30 × 8,839.82
  4. Step 4: Simplify right side
    13,242.98x = 175,340,481.65
  5. Step 5: Solve for x
    x = 175,340,481.65/13,242.98
  6. Step 6: Final answer
    x = 13,240.26

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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.