Home / 12,738.06-19,107.97-5,335.07

Finding the Fourth Proportional to 12,738.06, 19,107.97 and 5,335.07

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Solution

The fourth proportional to 12,738.06, 19,107.97 and 5,335.07 is: 8,002.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738.06 : 19,107.97 = 5,335.07 : x
  2. Step 2: Convert to fraction form
    12,738.06/19,107.97 = 5,335.07/x
  3. Step 3: Cross multiply
    12,738.06x = 19,107.97 × 5,335.07
  4. Step 4: Simplify right side
    12,738.06x = 101,942,248.63
  5. Step 5: Solve for x
    x = 101,942,248.63/12,738.06
  6. Step 6: Final answer
    x = 8,002.97

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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.