Home / 14,069.25-21,105.09-3,681

Finding the Fourth Proportional to 14,069.25, 21,105.09 and 3,681

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Solution

The fourth proportional to 14,069.25, 21,105.09 and 3,681 is: 5,521.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069.25 : 21,105.09 = 3,681 : x
  2. Step 2: Convert to fraction form
    14,069.25/21,105.09 = 3,681/x
  3. Step 3: Cross multiply
    14,069.25x = 21,105.09 × 3,681
  4. Step 4: Simplify right side
    14,069.25x = 77,687,836.29
  5. Step 5: Solve for x
    x = 77,687,836.29/14,069.25
  6. Step 6: Final answer
    x = 5,521.82

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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.