Home / 10,721.00-16,087.82-4,480.53

Finding the Fourth Proportional to 10,721.00, 16,087.82 and 4,480.53

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Solution

The fourth proportional to 10,721.00, 16,087.82 and 4,480.53 is: 6,723.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.00 : 16,087.82 = 4,480.53 : x
  2. Step 2: Convert to fraction form
    10,721.00/16,087.82 = 4,480.53/x
  3. Step 3: Cross multiply
    10,721.00x = 16,087.82 × 4,480.53
  4. Step 4: Simplify right side
    10,721.00x = 72,081,972.20
  5. Step 5: Solve for x
    x = 72,081,972.20/10,721.00
  6. Step 6: Final answer
    x = 6,723.44

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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.