Home / 19,583.72-29,379.65-8,904.99

Finding the Fourth Proportional to 19,583.72, 29,379.65 and 8,904.99

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Solution

The fourth proportional to 19,583.72, 29,379.65 and 8,904.99 is: 13,359.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,583.72 : 29,379.65 = 8,904.99 : x
  2. Step 2: Convert to fraction form
    19,583.72/29,379.65 = 8,904.99/x
  3. Step 3: Cross multiply
    19,583.72x = 29,379.65 × 8,904.99
  4. Step 4: Simplify right side
    19,583.72x = 261,625,489.45
  5. Step 5: Solve for x
    x = 261,625,489.45/19,583.72
  6. Step 6: Final answer
    x = 13,359.34

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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.