Home / 14,239.31-21,359.99-4,107.26

Finding the Fourth Proportional to 14,239.31, 21,359.99 and 4,107.26

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Solution

The fourth proportional to 14,239.31, 21,359.99 and 4,107.26 is: 6,161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.31 : 21,359.99 = 4,107.26 : x
  2. Step 2: Convert to fraction form
    14,239.31/21,359.99 = 4,107.26/x
  3. Step 3: Cross multiply
    14,239.31x = 21,359.99 × 4,107.26
  4. Step 4: Simplify right side
    14,239.31x = 87,731,065.39
  5. Step 5: Solve for x
    x = 87,731,065.39/14,239.31
  6. Step 6: Final answer
    x = 6,161.19

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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.