Home / 19,339.25-29,004.31-10,909.37

Finding the Fourth Proportional to 19,339.25, 29,004.31 and 10,909.37

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Solution

The fourth proportional to 19,339.25, 29,004.31 and 10,909.37 is: 16,361.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.25 : 29,004.31 = 10,909.37 : x
  2. Step 2: Convert to fraction form
    19,339.25/29,004.31 = 10,909.37/x
  3. Step 3: Cross multiply
    19,339.25x = 29,004.31 × 10,909.37
  4. Step 4: Simplify right side
    19,339.25x = 316,418,749.38
  5. Step 5: Solve for x
    x = 316,418,749.38/19,339.25
  6. Step 6: Final answer
    x = 16,361.48

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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.