Home / 14,252.31-21,378.33-3,864.06

Finding the Fourth Proportional to 14,252.31, 21,378.33 and 3,864.06

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Solution

The fourth proportional to 14,252.31, 21,378.33 and 3,864.06 is: 5,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,252.31 : 21,378.33 = 3,864.06 : x
  2. Step 2: Convert to fraction form
    14,252.31/21,378.33 = 3,864.06/x
  3. Step 3: Cross multiply
    14,252.31x = 21,378.33 × 3,864.06
  4. Step 4: Simplify right side
    14,252.31x = 82,607,149.82
  5. Step 5: Solve for x
    x = 82,607,149.82/14,252.31
  6. Step 6: Final answer
    x = 5,796.05

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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.