Home / 10,945.73-16,418.47-7,427.03

Finding the Fourth Proportional to 10,945.73, 16,418.47 and 7,427.03

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Solution

The fourth proportional to 10,945.73, 16,418.47 and 7,427.03 is: 11,140.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.73 : 16,418.47 = 7,427.03 : x
  2. Step 2: Convert to fraction form
    10,945.73/16,418.47 = 7,427.03/x
  3. Step 3: Cross multiply
    10,945.73x = 16,418.47 × 7,427.03
  4. Step 4: Simplify right side
    10,945.73x = 121,940,469.24
  5. Step 5: Solve for x
    x = 121,940,469.24/10,945.73
  6. Step 6: Final answer
    x = 11,140.46

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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.