Home / 17,005.06-25,481.60-7,138.92

Finding the Fourth Proportional to 17,005.06, 25,481.60 and 7,138.92

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Solution

The fourth proportional to 17,005.06, 25,481.60 and 7,138.92 is: 10,697.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,005.06 : 25,481.60 = 7,138.92 : x
  2. Step 2: Convert to fraction form
    17,005.06/25,481.60 = 7,138.92/x
  3. Step 3: Cross multiply
    17,005.06x = 25,481.60 × 7,138.92
  4. Step 4: Simplify right side
    17,005.06x = 181,911,103.87
  5. Step 5: Solve for x
    x = 181,911,103.87/17,005.06
  6. Step 6: Final answer
    x = 10,697.47

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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.