Home / 14,357.11-19,822.48-12,839.96

Finding the Fourth Proportional to 14,357.11, 19,822.48 and 12,839.96

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Solution

The fourth proportional to 14,357.11, 19,822.48 and 12,839.96 is: 17,727.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.11 : 19,822.48 = 12,839.96 : x
  2. Step 2: Convert to fraction form
    14,357.11/19,822.48 = 12,839.96/x
  3. Step 3: Cross multiply
    14,357.11x = 19,822.48 × 12,839.96
  4. Step 4: Simplify right side
    14,357.11x = 254,519,850.30
  5. Step 5: Solve for x
    x = 254,519,850.30/14,357.11
  6. Step 6: Final answer
    x = 17,727.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.