Home / 11,015.36-15,201.24-6,299.68

Finding the Fourth Proportional to 11,015.36, 15,201.24 and 6,299.68

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Solution

The fourth proportional to 11,015.36, 15,201.24 and 6,299.68 is: 8,693.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.36 : 15,201.24 = 6,299.68 : x
  2. Step 2: Convert to fraction form
    11,015.36/15,201.24 = 6,299.68/x
  3. Step 3: Cross multiply
    11,015.36x = 15,201.24 × 6,299.68
  4. Step 4: Simplify right side
    11,015.36x = 95,762,947.60
  5. Step 5: Solve for x
    x = 95,762,947.60/11,015.36
  6. Step 6: Final answer
    x = 8,693.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.