Home / 11,618.38-17,415.12-5,371.12

Finding the Fourth Proportional to 11,618.38, 17,415.12 and 5,371.12

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Solution

The fourth proportional to 11,618.38, 17,415.12 and 5,371.12 is: 8,050.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.38 : 17,415.12 = 5,371.12 : x
  2. Step 2: Convert to fraction form
    11,618.38/17,415.12 = 5,371.12/x
  3. Step 3: Cross multiply
    11,618.38x = 17,415.12 × 5,371.12
  4. Step 4: Simplify right side
    11,618.38x = 93,538,699.33
  5. Step 5: Solve for x
    x = 93,538,699.33/11,618.38
  6. Step 6: Final answer
    x = 8,050.92

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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.