Home / 11,845.64-17,762.51-3,945.37

Finding the Fourth Proportional to 11,845.64, 17,762.51 and 3,945.37

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Solution

The fourth proportional to 11,845.64, 17,762.51 and 3,945.37 is: 5,916.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.64 : 17,762.51 = 3,945.37 : x
  2. Step 2: Convert to fraction form
    11,845.64/17,762.51 = 3,945.37/x
  3. Step 3: Cross multiply
    11,845.64x = 17,762.51 × 3,945.37
  4. Step 4: Simplify right side
    11,845.64x = 70,079,674.08
  5. Step 5: Solve for x
    x = 70,079,674.08/11,845.64
  6. Step 6: Final answer
    x = 5,916.07

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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.