Home / 18,389.56-27,576.15-5,238.82

Finding the Fourth Proportional to 18,389.56, 27,576.15 and 5,238.82

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Solution

The fourth proportional to 18,389.56, 27,576.15 and 5,238.82 is: 7,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.56 : 27,576.15 = 5,238.82 : x
  2. Step 2: Convert to fraction form
    18,389.56/27,576.15 = 5,238.82/x
  3. Step 3: Cross multiply
    18,389.56x = 27,576.15 × 5,238.82
  4. Step 4: Simplify right side
    18,389.56x = 144,466,486.14
  5. Step 5: Solve for x
    x = 144,466,486.14/18,389.56
  6. Step 6: Final answer
    x = 7,855.90

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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.