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Finding the Fourth Proportional to 19,502.69, 29,252.79 and 5,651.69

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Solution

The fourth proportional to 19,502.69, 29,252.79 and 5,651.69 is: 8,477.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,502.69 : 29,252.79 = 5,651.69 : x
  2. Step 2: Convert to fraction form
    19,502.69/29,252.79 = 5,651.69/x
  3. Step 3: Cross multiply
    19,502.69x = 29,252.79 × 5,651.69
  4. Step 4: Simplify right side
    19,502.69x = 165,327,554.45
  5. Step 5: Solve for x
    x = 165,327,554.45/19,502.69
  6. Step 6: Final answer
    x = 8,477.17

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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.