Home / 19,883.91-29,821.24-8,784.54

Finding the Fourth Proportional to 19,883.91, 29,821.24 and 8,784.54

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Solution

The fourth proportional to 19,883.91, 29,821.24 and 8,784.54 is: 13,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,883.91 : 29,821.24 = 8,784.54 : x
  2. Step 2: Convert to fraction form
    19,883.91/29,821.24 = 8,784.54/x
  3. Step 3: Cross multiply
    19,883.91x = 29,821.24 × 8,784.54
  4. Step 4: Simplify right side
    19,883.91x = 261,965,875.63
  5. Step 5: Solve for x
    x = 261,965,875.63/19,883.91
  6. Step 6: Final answer
    x = 13,174.77

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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.