Home / 11,362.08-17,043.81-4,788.78

Finding the Fourth Proportional to 11,362.08, 17,043.81 and 4,788.78

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Solution

The fourth proportional to 11,362.08, 17,043.81 and 4,788.78 is: 7,183.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.08 : 17,043.81 = 4,788.78 : x
  2. Step 2: Convert to fraction form
    11,362.08/17,043.81 = 4,788.78/x
  3. Step 3: Cross multiply
    11,362.08x = 17,043.81 × 4,788.78
  4. Step 4: Simplify right side
    11,362.08x = 81,619,056.45
  5. Step 5: Solve for x
    x = 81,619,056.45/11,362.08
  6. Step 6: Final answer
    x = 7,183.46

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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.