Home / 12,697.52-19,058.58-6,128.33

Finding the Fourth Proportional to 12,697.52, 19,058.58 and 6,128.33

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Solution

The fourth proportional to 12,697.52, 19,058.58 and 6,128.33 is: 9,198.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,697.52 : 19,058.58 = 6,128.33 : x
  2. Step 2: Convert to fraction form
    12,697.52/19,058.58 = 6,128.33/x
  3. Step 3: Cross multiply
    12,697.52x = 19,058.58 × 6,128.33
  4. Step 4: Simplify right side
    12,697.52x = 116,797,172.28
  5. Step 5: Solve for x
    x = 116,797,172.28/12,697.52
  6. Step 6: Final answer
    x = 9,198.43

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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.