Home / 12,866.62-19,288.82-4,974.66

Finding the Fourth Proportional to 12,866.62, 19,288.82 and 4,974.66

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Solution

The fourth proportional to 12,866.62, 19,288.82 and 4,974.66 is: 7,457.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866.62 : 19,288.82 = 4,974.66 : x
  2. Step 2: Convert to fraction form
    12,866.62/19,288.82 = 4,974.66/x
  3. Step 3: Cross multiply
    12,866.62x = 19,288.82 × 4,974.66
  4. Step 4: Simplify right side
    12,866.62x = 95,955,321.30
  5. Step 5: Solve for x
    x = 95,955,321.30/12,866.62
  6. Step 6: Final answer
    x = 7,457.69

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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.