Home / 11,943.72-17,903.90-5,371.56

Finding the Fourth Proportional to 11,943.72, 17,903.90 and 5,371.56

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Solution

The fourth proportional to 11,943.72, 17,903.90 and 5,371.56 is: 8,052.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.72 : 17,903.90 = 5,371.56 : x
  2. Step 2: Convert to fraction form
    11,943.72/17,903.90 = 5,371.56/x
  3. Step 3: Cross multiply
    11,943.72x = 17,903.90 × 5,371.56
  4. Step 4: Simplify right side
    11,943.72x = 96,171,873.08
  5. Step 5: Solve for x
    x = 96,171,873.08/11,943.72
  6. Step 6: Final answer
    x = 8,052.09

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1.5x scale

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.