Home / 14,498.38-21,722-12,699.36

Finding the Fourth Proportional to 14,498.38, 21,722 and 12,699.36

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Solution

The fourth proportional to 14,498.38, 21,722 and 12,699.36 is: 19,026.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498.38 : 21,722 = 12,699.36 : x
  2. Step 2: Convert to fraction form
    14,498.38/21,722 = 12,699.36/x
  3. Step 3: Cross multiply
    14,498.38x = 21,722 × 12,699.36
  4. Step 4: Simplify right side
    14,498.38x = 275,855,497.92
  5. Step 5: Solve for x
    x = 275,855,497.92/14,498.38
  6. Step 6: Final answer
    x = 19,026.64

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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.