Home / 13,144.56-19,717.02-4,379.52

Finding the Fourth Proportional to 13,144.56, 19,717.02 and 4,379.52

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Solution

The fourth proportional to 13,144.56, 19,717.02 and 4,379.52 is: 6,569.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144.56 : 19,717.02 = 4,379.52 : x
  2. Step 2: Convert to fraction form
    13,144.56/19,717.02 = 4,379.52/x
  3. Step 3: Cross multiply
    13,144.56x = 19,717.02 × 4,379.52
  4. Step 4: Simplify right side
    13,144.56x = 86,351,083.43
  5. Step 5: Solve for x
    x = 86,351,083.43/13,144.56
  6. Step 6: Final answer
    x = 6,569.34

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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.