Home / 14,228.34-21,343.65-3,839.94

Finding the Fourth Proportional to 14,228.34, 21,343.65 and 3,839.94

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Solution

The fourth proportional to 14,228.34, 21,343.65 and 3,839.94 is: 5,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.34 : 21,343.65 = 3,839.94 : x
  2. Step 2: Convert to fraction form
    14,228.34/21,343.65 = 3,839.94/x
  3. Step 3: Cross multiply
    14,228.34x = 21,343.65 × 3,839.94
  4. Step 4: Simplify right side
    14,228.34x = 81,958,335.38
  5. Step 5: Solve for x
    x = 81,958,335.38/14,228.34
  6. Step 6: Final answer
    x = 5,760.22

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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.