Home / 11,944.80-17,916.48-4,155.84

Finding the Fourth Proportional to 11,944.80, 17,916.48 and 4,155.84

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Solution

The fourth proportional to 11,944.80, 17,916.48 and 4,155.84 is: 6,233.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.80 : 17,916.48 = 4,155.84 : x
  2. Step 2: Convert to fraction form
    11,944.80/17,916.48 = 4,155.84/x
  3. Step 3: Cross multiply
    11,944.80x = 17,916.48 × 4,155.84
  4. Step 4: Simplify right side
    11,944.80x = 74,458,024.24
  5. Step 5: Solve for x
    x = 74,458,024.24/11,944.80
  6. Step 6: Final answer
    x = 6,233.51

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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.