Home / 14,379.41-21,574.58-7,362.78

Finding the Fourth Proportional to 14,379.41, 21,574.58 and 7,362.78

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Solution

The fourth proportional to 14,379.41, 21,574.58 and 7,362.78 is: 11,046.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379.41 : 21,574.58 = 7,362.78 : x
  2. Step 2: Convert to fraction form
    14,379.41/21,574.58 = 7,362.78/x
  3. Step 3: Cross multiply
    14,379.41x = 21,574.58 × 7,362.78
  4. Step 4: Simplify right side
    14,379.41x = 158,848,849.32
  5. Step 5: Solve for x
    x = 158,848,849.32/14,379.41
  6. Step 6: Final answer
    x = 11,046.97

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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.