Home / 17,147.70-25,721.51-5,460.89

Finding the Fourth Proportional to 17,147.70, 25,721.51 and 5,460.89

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Solution

The fourth proportional to 17,147.70, 25,721.51 and 5,460.89 is: 8,191.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,147.70 : 25,721.51 = 5,460.89 : x
  2. Step 2: Convert to fraction form
    17,147.70/25,721.51 = 5,460.89/x
  3. Step 3: Cross multiply
    17,147.70x = 25,721.51 × 5,460.89
  4. Step 4: Simplify right side
    17,147.70x = 140,462,180.83
  5. Step 5: Solve for x
    x = 140,462,180.83/17,147.70
  6. Step 6: Final answer
    x = 8,191.31

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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.