Home / 13,073.30-19,596.53-5,172.65

Finding the Fourth Proportional to 13,073.30, 19,596.53 and 5,172.65

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Solution

The fourth proportional to 13,073.30, 19,596.53 and 5,172.65 is: 7,753.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.30 : 19,596.53 = 5,172.65 : x
  2. Step 2: Convert to fraction form
    13,073.30/19,596.53 = 5,172.65/x
  3. Step 3: Cross multiply
    13,073.30x = 19,596.53 × 5,172.65
  4. Step 4: Simplify right side
    13,073.30x = 101,365,905.85
  5. Step 5: Solve for x
    x = 101,365,905.85/13,073.30
  6. Step 6: Final answer
    x = 7,753.66

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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.