Home / 13,009.05-17,945.46-11,327.49

Finding the Fourth Proportional to 13,009.05, 17,945.46 and 11,327.49

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Solution

The fourth proportional to 13,009.05, 17,945.46 and 11,327.49 is: 15,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.05 : 17,945.46 = 11,327.49 : x
  2. Step 2: Convert to fraction form
    13,009.05/17,945.46 = 11,327.49/x
  3. Step 3: Cross multiply
    13,009.05x = 17,945.46 × 11,327.49
  4. Step 4: Simplify right side
    13,009.05x = 203,277,018.70
  5. Step 5: Solve for x
    x = 203,277,018.70/13,009.05
  6. Step 6: Final answer
    x = 15,625.82

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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.