Home / 17,011.87-25,512.13-7,149.31

Finding the Fourth Proportional to 17,011.87, 25,512.13 and 7,149.31

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Solution

The fourth proportional to 17,011.87, 25,512.13 and 7,149.31 is: 10,721.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,011.87 : 25,512.13 = 7,149.31 : x
  2. Step 2: Convert to fraction form
    17,011.87/25,512.13 = 7,149.31/x
  3. Step 3: Cross multiply
    17,011.87x = 25,512.13 × 7,149.31
  4. Step 4: Simplify right side
    17,011.87x = 182,394,126.13
  5. Step 5: Solve for x
    x = 182,394,126.13/17,011.87
  6. Step 6: Final answer
    x = 10,721.58

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1.5x scale

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.