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Finding the Fourth Proportional to 13,003.92, 17,935.56 and 9,232.56

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Solution

The fourth proportional to 13,003.92, 17,935.56 and 9,232.56 is: 12,733.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,003.92 : 17,935.56 = 9,232.56 : x
  2. Step 2: Convert to fraction form
    13,003.92/17,935.56 = 9,232.56/x
  3. Step 3: Cross multiply
    13,003.92x = 17,935.56 × 9,232.56
  4. Step 4: Simplify right side
    13,003.92x = 165,591,133.83
  5. Step 5: Solve for x
    x = 165,591,133.83/13,003.92
  6. Step 6: Final answer
    x = 12,733.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.