Home / 19,789.01-29,684.42-11,017.31

Finding the Fourth Proportional to 19,789.01, 29,684.42 and 11,017.31

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Solution

The fourth proportional to 19,789.01, 29,684.42 and 11,017.31 is: 16,526.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789.01 : 29,684.42 = 11,017.31 : x
  2. Step 2: Convert to fraction form
    19,789.01/29,684.42 = 11,017.31/x
  3. Step 3: Cross multiply
    19,789.01x = 29,684.42 × 11,017.31
  4. Step 4: Simplify right side
    19,789.01x = 327,042,402.22
  5. Step 5: Solve for x
    x = 327,042,402.22/19,789.01
  6. Step 6: Final answer
    x = 16,526.47

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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.