Home / 15,277.14-21,082.26-8,564.43

Finding the Fourth Proportional to 15,277.14, 21,082.26 and 8,564.43

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Solution

The fourth proportional to 15,277.14, 21,082.26 and 8,564.43 is: 11,818.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277.14 : 21,082.26 = 8,564.43 : x
  2. Step 2: Convert to fraction form
    15,277.14/21,082.26 = 8,564.43/x
  3. Step 3: Cross multiply
    15,277.14x = 21,082.26 × 8,564.43
  4. Step 4: Simplify right side
    15,277.14x = 180,557,540.01
  5. Step 5: Solve for x
    x = 180,557,540.01/15,277.14
  6. Step 6: Final answer
    x = 11,818.81

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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.