Home / 12,828.96-19,238.54-6,163.61

Finding the Fourth Proportional to 12,828.96, 19,238.54 and 6,163.61

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Solution

The fourth proportional to 12,828.96, 19,238.54 and 6,163.61 is: 9,243.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828.96 : 19,238.54 = 6,163.61 : x
  2. Step 2: Convert to fraction form
    12,828.96/19,238.54 = 6,163.61/x
  3. Step 3: Cross multiply
    12,828.96x = 19,238.54 × 6,163.61
  4. Step 4: Simplify right side
    12,828.96x = 118,578,774.91
  5. Step 5: Solve for x
    x = 118,578,774.91/12,828.96
  6. Step 6: Final answer
    x = 9,243.06

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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.