Home / 11,208.30-16,812-4,629.54

Finding the Fourth Proportional to 11,208.30, 16,812 and 4,629.54

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Solution

The fourth proportional to 11,208.30, 16,812 and 4,629.54 is: 6,944.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.30 : 16,812 = 4,629.54 : x
  2. Step 2: Convert to fraction form
    11,208.30/16,812 = 4,629.54/x
  3. Step 3: Cross multiply
    11,208.30x = 16,812 × 4,629.54
  4. Step 4: Simplify right side
    11,208.30x = 77,831,826.48
  5. Step 5: Solve for x
    x = 77,831,826.48/11,208.30
  6. Step 6: Final answer
    x = 6,944.12

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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.