Home / 12,836.43-19,238.75-7,272.92

Finding the Fourth Proportional to 12,836.43, 19,238.75 and 7,272.92

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Solution

The fourth proportional to 12,836.43, 19,238.75 and 7,272.92 is: 10,900.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.43 : 19,238.75 = 7,272.92 : x
  2. Step 2: Convert to fraction form
    12,836.43/19,238.75 = 7,272.92/x
  3. Step 3: Cross multiply
    12,836.43x = 19,238.75 × 7,272.92
  4. Step 4: Simplify right side
    12,836.43x = 139,921,757.09
  5. Step 5: Solve for x
    x = 139,921,757.09/12,836.43
  6. Step 6: Final answer
    x = 10,900.36

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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.