Home / 21,079.84-29,096.24-13,914.98

Finding the Fourth Proportional to 21,079.84, 29,096.24 and 13,914.98

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Solution

The fourth proportional to 21,079.84, 29,096.24 and 13,914.98 is: 19,206.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,079.84 : 29,096.24 = 13,914.98 : x
  2. Step 2: Convert to fraction form
    21,079.84/29,096.24 = 13,914.98/x
  3. Step 3: Cross multiply
    21,079.84x = 29,096.24 × 13,914.98
  4. Step 4: Simplify right side
    21,079.84x = 404,873,600.84
  5. Step 5: Solve for x
    x = 404,873,600.84/21,079.84
  6. Step 6: Final answer
    x = 19,206.68

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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.