Home / 12,684.97-19,027.58-5,665.34

Finding the Fourth Proportional to 12,684.97, 19,027.58 and 5,665.34

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Solution

The fourth proportional to 12,684.97, 19,027.58 and 5,665.34 is: 8,498.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,684.97 : 19,027.58 = 5,665.34 : x
  2. Step 2: Convert to fraction form
    12,684.97/19,027.58 = 5,665.34/x
  3. Step 3: Cross multiply
    12,684.97x = 19,027.58 × 5,665.34
  4. Step 4: Simplify right side
    12,684.97x = 107,797,710.08
  5. Step 5: Solve for x
    x = 107,797,710.08/12,684.97
  6. Step 6: Final answer
    x = 8,498.07

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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.