Home / 11,997.29-17,947.87-10,371.35

Finding the Fourth Proportional to 11,997.29, 17,947.87 and 10,371.35

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Solution

The fourth proportional to 11,997.29, 17,947.87 and 10,371.35 is: 15,515.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,997.29 : 17,947.87 = 10,371.35 : x
  2. Step 2: Convert to fraction form
    11,997.29/17,947.87 = 10,371.35/x
  3. Step 3: Cross multiply
    11,997.29x = 17,947.87 × 10,371.35
  4. Step 4: Simplify right side
    11,997.29x = 186,143,641.52
  5. Step 5: Solve for x
    x = 186,143,641.52/11,997.29
  6. Step 6: Final answer
    x = 15,515.47

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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.