Home / 18,823.72-28,238.01-6,338.38

Finding the Fourth Proportional to 18,823.72, 28,238.01 and 6,338.38

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Solution

The fourth proportional to 18,823.72, 28,238.01 and 6,338.38 is: 9,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.72 : 28,238.01 = 6,338.38 : x
  2. Step 2: Convert to fraction form
    18,823.72/28,238.01 = 6,338.38/x
  3. Step 3: Cross multiply
    18,823.72x = 28,238.01 × 6,338.38
  4. Step 4: Simplify right side
    18,823.72x = 178,983,237.82
  5. Step 5: Solve for x
    x = 178,983,237.82/18,823.72
  6. Step 6: Final answer
    x = 9,508.39

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1.5x scale

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.