Home / 12,495.38-18,745.54-6,575.09

Finding the Fourth Proportional to 12,495.38, 18,745.54 and 6,575.09

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Solution

The fourth proportional to 12,495.38, 18,745.54 and 6,575.09 is: 9,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.38 : 18,745.54 = 6,575.09 : x
  2. Step 2: Convert to fraction form
    12,495.38/18,745.54 = 6,575.09/x
  3. Step 3: Cross multiply
    12,495.38x = 18,745.54 × 6,575.09
  4. Step 4: Simplify right side
    12,495.38x = 123,253,502.43
  5. Step 5: Solve for x
    x = 123,253,502.43/12,495.38
  6. Step 6: Final answer
    x = 9,863.93

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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.