Home / 11,268.78-15,550-6,232.87

Finding the Fourth Proportional to 11,268.78, 15,550 and 6,232.87

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Solution

The fourth proportional to 11,268.78, 15,550 and 6,232.87 is: 8,600.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,268.78 : 15,550 = 6,232.87 : x
  2. Step 2: Convert to fraction form
    11,268.78/15,550 = 6,232.87/x
  3. Step 3: Cross multiply
    11,268.78x = 15,550 × 6,232.87
  4. Step 4: Simplify right side
    11,268.78x = 96,921,128.50
  5. Step 5: Solve for x
    x = 96,921,128.50/11,268.78
  6. Step 6: Final answer
    x = 8,600.85

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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.