Home / 11,435.92-17,155.80-3,647.12

Finding the Fourth Proportional to 11,435.92, 17,155.80 and 3,647.12

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Solution

The fourth proportional to 11,435.92, 17,155.80 and 3,647.12 is: 5,471.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,435.92 : 17,155.80 = 3,647.12 : x
  2. Step 2: Convert to fraction form
    11,435.92/17,155.80 = 3,647.12/x
  3. Step 3: Cross multiply
    11,435.92x = 17,155.80 × 3,647.12
  4. Step 4: Simplify right side
    11,435.92x = 62,569,261.30
  5. Step 5: Solve for x
    x = 62,569,261.30/11,435.92
  6. Step 6: Final answer
    x = 5,471.29

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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.