Home / 15,839.07-21,855.33-8,764.14

Finding the Fourth Proportional to 15,839.07, 21,855.33 and 8,764.14

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Solution

The fourth proportional to 15,839.07, 21,855.33 and 8,764.14 is: 12,093.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,839.07 : 21,855.33 = 8,764.14 : x
  2. Step 2: Convert to fraction form
    15,839.07/21,855.33 = 8,764.14/x
  3. Step 3: Cross multiply
    15,839.07x = 21,855.33 × 8,764.14
  4. Step 4: Simplify right side
    15,839.07x = 191,543,171.87
  5. Step 5: Solve for x
    x = 191,543,171.87/15,839.07
  6. Step 6: Final answer
    x = 12,093.08

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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.